Answer:
11
Step-by-step explanation:
11*2=22
29-7 =22
Answer:
12 hours per week
Step-by-step explanation:
1. Find how many hours she worked to make $3,000 (36x10=360 hours)
2. divide 360 hours by 30 weeks
she would need to work 12 hours per week to make $3,000
Answer:
√27
Step-by-step explanation:
use the pythagorean theorem
3²+x²=6²
9+x²=36
x²=27
√x²=√27
x=√27
Answer:
27 years
Step-by-step explanation:
21 × 2 = 42
42 - 15 = 27