Answer:
y=5
Step-by-step explanation:
8(y-7)= -16
(8)y-(8)7= -16
8y-56= -16
-16+56= 40
40/8= 5
(when you get y by itself)
hoped this helped a little bit.
A) 10^2
100 is 10 times 10 or 10 to the second power
100 = 10 * 10 = 10 ^2