What is the equivalent of this equation ? (9x^2-24x+16)^2-(5+6x−2x^2)

which of these is the answer?

a. 7x^2-30x+11

b. 7x^2-6x-21

c. 11x^2-30x+11

d. 11x^2-30x+11.
(i really need help)

Pls , the question is in the picture!

Because of your favorite lemonade it is $3.84 for 3 gallons. write this as an unit rate

Bill works as a waiter and is keeping track of the tips he ears daily. about how much does bill have to earn in tips on sunday if he wants to average $22 a day? tips by day tips (dollars) monday tuesday wednesday thursday friday saturday $14 $22 $28 $36