Answer: i think it's either a or d
Answer: angle 7 = 80 degree and angle 8 = 100 degree
Answer:
The answer is C. Hope it helps :)
Answer:
Option A. -6.5
Step-by-step explanation:
we have

Solve for r
That means ---> isolate the variable r
Combine like terns left side of the equation

Divide by 0.5 both sides


Answer:
4x-12
Step-by-step explanation: