Answer:
709.5
Step-by-step explanation:
660 + 7.5 x 660 : 100 = 709.5
29 and -18
f(x)= -3x+12
f(-9)= -3(-9)+2
f(-9)= 27+2
f(-9)= 29
g(x)= x2
g(-9)= -9(2)
g(-9)= -18
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