Answer:
I guess the answer is b.......
36
Step-by-step explanation:
5x is 15
x is 3
12 times 3 is 36
you would get 2(2.5)(2.5) - 3(2.5) +7, which is 2(6.25) - 7.5 + 7, 12.5 - 0.5, [12]