Is my algebra correct?

Question

Are these right?

1.) 6(-2)+5y=7

Y=3.8?

2.) 2/3*9 =2y-2/5

Y=3.2

3.) -2 - 2y = 3*-2y + 1

Y=?

and im confused about what theyre asking:

Solve the formula for the indicated variable.

14.) perimeter of a Paralleogram

solve for b: P= 2b+2s

18.)volume of a right circular cylinder.

solve for h: V= 3.14*2*h

Thank you! All this is familiar, I just totally forgot it over summer!

points goes to whoever shows their work

Answer 1

1.) correct

2.) correct

3.) correct

14.) correct

18.) correct

good job! looks like you didn't forget it