Answer:
60
Step-by-step explanation:
72-12=60
(f-g)(x)=7
f(x)=2x
g(x)=2x-7
(f-g)(x)=f(x)-g(x)=2x-(2x-7)=7
Answer: 75
15 divided by 4 is 3.75
3.75x5=18.75
18.75x4=75