Answer:
D
Step-by-step explanation:
80 divided by 2 equals 40 and if you multiply it by 8 its 320 so the constant number is 40. So y=40x mean y=40^x
-292 1/2
PEMDAS
Perenthesis
2 To the power of 4 = 16 + 1/4 = 16/1 + 1/4 X -18
im guessing 15
dilation
whenever the shape is dilated, or scaled by a factor of any number, the shape will change size and will become similar rather than congruent. congruent shapes have the same dimensions as the parent or original shape.
I dont know but combine like terms and then solve it will make It alot easier