Answer:
30m
Step-by-step explanation:
A=πr²
225π=πr²
225=r²
r=√225
r=15
d=2r
d=2×15
=30m
Step-by-step explanatio
−10x−x+2
=−10x+−x+2
=(−10x+−x)+(2)
=−11x+2