Answer:
188.50
Step-by-step explanation:
4*15*pi
188.495559215
−11b^2+8b−4
−4b2+6b−9−7b2+2b+5
Simplify by adding terms.
11b2+8b−4
8x3
3x8
4x6
6x4
2x12
12x2
1x24
24x1
8.0, 16.0
times the before number by itself