Answer:
5
Step-by-step explanation:
Total angles on a straight line
(9x + 8) + 37 = 180
9x + 45 = 180
9x = 180 - 45
9x = 135
Divide through by 9
x = 15
Answer:
Step-by-step explanation:
Speed = distance/time
Speed = 50/4
Speed = 12.5
Your answer is C!!!