Answer:
answer is 51
Step-by-step explanation:
B
The answer is B 54-3=51
Hope this helped!! :)
x = 5
Given
13 = - 7 + 9x - 5x , that is
13 = - 7 + 4x ( add 7 to both sides )
20 = 4x ( divide both sides by 4 )
5 = x
18pi units³ or 56.5 units³ (3 sf)
pi×r²×h - (4/3)(pi×r³)
r = 3 h = 2r = 6
pi(3²×6 - (4/3)(3³))
18pi units³
