Answer:
I'm pretty sure the answer is A) Dilation.
6 because 54 divided by 9 is 6
The answer is C: Expression b and d
Expression A is used when you want to know how much $$ was taken off the original
Expression C won’t work at all because it’s like saying what is $1 subtract discount.
Expression B and D is saying original,P, subtract discount price=sales price
QPR = 1/2 (31 + 98)
Angle QPR = 64.5 degrees