Answer:
D
Step-by-step explanation:
r = 5 units

If you meant what I asked above, then your answer is -44. If you add negative numbers, they go down instead of up or they basically became the opposite of positive if that makes sense.
Answer:
$681.50
Step-by-step explanation:
$13.63 x 50 = $ 681.50
Step-by-step explanation:
1/5^(3+6)= 1/5^9
the solution
45, 90, 180 are possible values on n