Answer:
D.4pi/3
Step-by-step explanation:
Answer: r=8
-400/-8=400/8=5, then 48=6r equals 8.
If an equation has no solution, then the solution set is the _<u>empty set</u>_ and
is denoted by _<u>{ } </u><u>or </u><u>∅</u>__.
A
It is exponential
