Question

If A=by, what is A when b= 8 and h=4?

Answer 1

from the information you gave

A = by

b = 8
h = 4

A = (8)y 
A = 8y is your answer

hope this helps

Answer 2

Hey!

A=by(or h)

A=8(4) (so just multiply)

and you would get 
A=32