Answer:
A
Step-by-step explanation:
x is positive and y is negative
Y=4 (x+ 17/8)^2 - 657/16 hope this helps you out mate =)
Answer:
$72.80
Step-by-step explanation:
You would multiply 52 with .40 to get 20.8. This is how much the price increased by. Then you would add the 20.8 to your original price of 52 to get 72.80.
(Also you use .40 initially because percent means out of 100. So 40% is the same as .4)
