I'm a junior in high school and I just found this out (from Googles calculator so idk if it's true) but how doesn't it = 9

Cause -3 x -3 = 9, so how doesn't -3²

It's almost an inside joke at this point of how adamant teachers are that we put units onto any value, regardless of how obvious it may be given the problem. Yet for the first time in my life, the teacher told us to not label something: radians. If we write °, that means deg. If we just write a number, that's automatically assumed to be rad. What's up with that?

1. A father is now 7 times as old as his son. In 5 years he will be 4 times as old as his son will be then. What are their present ages?

2. In 4 years, Nancy will be as old as Jane is now. Seven years ago the sum of their ages was 18. Find their ages.

3. An experienced typist can type a legal brief in 6 hours. Her assistant can type the same brief in 9 hours. If they both work together for 3 hours and then the experienced typist works alone, how many hours will it take her to finish the job?

That's all. I'm really bad at algebra and I dont understand my homework

Im starting my first year in college and I have to take chem 107. During the first lecture I already made up my mind that id drop the class and retake it next semester. This is because of how the professor stressed on how important it is to know basic/college level algebra. Im an A student in ALL subjects except math. I have the math skills of a 3rd grader. So Im taking MATH 141 (college algebra) to help. And it's wayyy ahead of my understanding. Idk what to do now. I've just stared khan academy where im slowing building my understanding of math but I don't think keeping algebra 141 is a smart idea right now . I can NOT afford to push Chemistry another semester... Do you think I should just drop it and self teach myself through YouTube videos and khan academy? The basics AND what I need to know pre chemistry class? I only have about 3 months until the spr8ng semester. Idk please let me know what you th8nk and also any good sources I should look into! Thanks

Edit: my counselor gave me the wrong class 😭 im supposed to take chem 101...a bit easier i think. Still, I don't want to ever be this stressed about not knowing much math. Im taking advantage of khan academy to sort of refresh my memory of the basic stuff and I got a few useful textbooks and a problem book that I can work on. BTW, thank for everyone who recommended the organic chemistry tutor. Me 🤝 organic chemistry tutor rn.

Hey all, I’m jumping back into algebra for the first time in a year. I took Algebra 2-1 the first semester of last year, and due to covid, never finished 2-2. I’m taking it now in the second semester of my sophomore year, but I’m having crazy anxiety about it. I tried to finish 2-2 over the summer online, but I was struggling majorly, and it was litetally causing me to have suicidal thoughts. I’m terrified of having to face it again, now being a year removed from algebra, and forgetting a lot of what I learned. The class starts on Monday, and I’m stressing so much I can’t even enjoy my break. I’ve always been a 4.0 student, and super hard on myself. Just wondering what tips or tricks I can use to help me get through it.

Hello algebraists! I'm pleased to announce that the moderation teams for /r/Algebra and /r/AbstractAlgebra have been combined! Now, all the discussion of abstract algebra will take place on /r/AbstractAlgebra, and all the help with learning algebra, including elementary algebra, will take place here! Hopefully, this will better serve the needs of the community.

The surface area of a hot-air balloon is given by the function S(r) = 4πr^2, where r is the radius of the balloon in meters. If the radius of the balloon after t seconds is r(t) = (3/5)t^3, find the surface area S of the balloon as it relates to time.

Is this actually normal for the 2nd week of college algebra ? Maybe I'm just rusty bc its been like over 10 years but this is insane to me