Circle = perpendicular cross section of a cylinder
cone = perpendicular cross section of a pyramid
8x(5x2+3)=8x(15+3)=8x13=104
57+23 = 80
not rounded it's 80.14
Answer:
40
Step-by-step explanation:
30/75 = .4
Answer:
n =-19
Step-by-step explanation:
3* (n+7) = -36
Distribute
3n+21 = -36
Subtract 21 from each side
3n+21-21 = -36-21
3n = -57
Divide by 3
3n/3 = -57/3
n =-19
