Answer:
Step-by-step explanation:
178
1. True.
2. False.
3. True.
4. False.
Answer:
2h
Step-by-step explanation:
35+35=70×2=140
45+15=60×2=120
the times 2 equals the #of hours
so in 2hours grayson charges more than Ian
90° = complementary
Hope it helps