nice..............................
Answer:
Step-by-step explanation:
Hope this helps!
The Radius is 7.5, the Diameter is 15, as you are just doubling the Radius
−3(n+3)−10(8n+9)
(−3)(n)+(−3)(3)+(−10)(8n)+(−10)(9)
=−3n+−9+−80n+−90
=(−3n+−80n)+(−9+−90)
=−83n+−99 <- ANSWER
