Answer:
B
Step-by-step explanation:
If you unfold it you get shape B
We have that
<span>y=3x</span>²<span>+18x-21
using a graph tool
see the attached figure
the solutions are
x=-7x=1</span>
Answer:
8.5
Step-by-step explanation:
38.25/4.5
I think is 3*3*pi=28.29
28.29*1=28.29