Question

I need help with these 4 math problems please tell someone can help me answer them
-2x-2y=10 for y
A=l w for W
A=1/2bh for b
A=1/2 (a+b)h for a

Answer 1

arrange the equation according to the variable they asked you..

Answer 2

y=-x-5

w=A/l

b=2A/h

a=(2A/h)-b

Answer 3

It's just rearrangement of variables...if you need work/help understanding let me know & I'll show you!