Answer:
The solution is:
Step-by-step explanation:
Given the expression

Solving


so



∵ 
Therefore, the solution is:

Answer: perm will cost $48
Step-by-step explanation:
Let x be cost of haircut
So perm will cost her 2x
So
x + 2x + 5 = 77
3x = 72
x = 24
Perm will cost 2x24 = 48
Answer: b=-12
Step-by-step explanation:
120/-10 = -12
-10b/-10 = b
b=-12
Answer:
8
Step-by-step explanation:
3x + 5 – 2x > 11
Combine like terms
x +5 > 11
Subtract 5 from each side
x+5-5 > 11-5
x > 6
The only number in the set that is greater than 6 is 8
N=0.5/3
i'm like 90% sure if i'm wrong i'm sorry lol