You can use my photo as reference but its going to be 15/100 of 480
D) 36x^2-81
both 36x^2 and -81 are perfect squares
difference means subtraction
Answer: 
PLEASE MARK ME BRAINLIEST
Step-by-step explanation:
1) Simplify both sides of the inequality:

2) Subtract
from both sides:

3) Simplify:

4) Subtract
from both sides:

5) Simplify:

6) Divide both sides by
:

7) Simplify:

Answer:
C.60
Step-by-step explanation:
4×12=48
18-12=6
6×2=12
48+12=60