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:
55
Step-by-step explanation:
Divide both sides by 3.14 to get d by itself.
172.7 / 3.14 = 55 = d
Answer:
Step-by-step explanation:
The answer is 173. Just use the calculator
Answer: <span>2x² + x - 2 (the first option)</span>
Answer:


Step-by-step explanation:

