X:{a, b, c}, because the numbers(or letters in this problem) cannot repeat.
4x+(x+5)=20
5x+5=20
5x=15
X=3
Answer:
b
Step-by-step explanation:
Answer:
2
Step-by-step explanation:
Haven't done this in awhile but I think it's 2 because if you cube 2 it comes to 8. L x W x H = 8 | 2 x 2 x 2 = 8
Answer:
The answer is D
Step-by-step explanation:
(12 + 6) x ( 11 - 7) = 72
18 x 4 = 72
72 = 72