Sorry I had To Use Google
A(x) = 3x - 12
b(x) = x - 9
a(b(x)) = a(x - 9) = 3(x - 9) - 12 = 3x - 27 - 12 = 3x - 39
a(b(x)) = 3x - 39
8*60 minutes = 480
4*60 minutes = 240
480-240=240
240 miles
Answer:
no it's different 30% would be 12 and 40% would be 16 if it was going into 30 now mark as brainliest
Answer:
It seems either the second or last answer could be correct
Step-by-step explanation:
