Answer:

Step-by-step explanation:
A=b^2+2bh
b = 3
A = 3^2 + 2(3)h
A = 9 + 6h
6h = A - 9

The total cost of the haircut including the tip is $20.70. 18*15%=2.70+18=20.7.
Hope this helps:)
Answer:
C 111
Step-by-step explanation:
1 month 29 days but if the month have 29 days each then the it will be 2 months