Answer:
Supplimentry
Step-by-step explanation:
He puts in 70 hope this helps
The input is the hours and the out put is the cost.
Answer:

Step-by-step explanation:

Subtract 15 from both sides of the equation.


Answer:
13) a and b, b and c
14) a = 59°, b = 121°, c = 59°
15) a = 45°, b = 135°, c = 135°
16) a = 72°, b = 108°, c = 108°