Answer:
C
Step-by-step explanation:

Therefore, the answer is C. Hope this helps!
B) y = -2x
when x = a
y = -2a
when x= 2a
y = -2(2a) = -4a
You would put 8 where x is and -10 where y is and then you will do -10 to the second power, which you will get 100 and so you will get 104. The answer is
D) 104
Answer:187.2
Step-by-step explanation:
Actual price $390
After 60% discount price will be 156
And Sales tax is 8% . Then the price of sales tax is $31.2.
156+31.2= $187.2