Answer:
f(9)=54
Step-by-step explanation:
Subsitute 9 for x in f(x)=6x

Answer:
12
Step-by-step explanation:
(×-8)5=20
(5×-40)=20
5×(-40+40)=(20+40)
5×=60
5×÷5=60÷5
×=12
Answer:
F for number 14
Step-by-step explanation:
3a(4a²-5a+12)
12a³-15a²+36a
~Hope this helped!~