Answer:
u=11
Step-by-step explanation:
3u - 10 = 20
3u-10+10=20+10 |+10
3u=33 |÷3
3/3*u=33/3
1*u=11
u=11
Answer:
17
Step-by-step explanation:
(6x+10)+(x+17)+(4x-34)=180(being sum of all angle of a triangle)
Answer:
14,130 feet³
Step-by-step explanation:
2r=d
2r=30
r=15
Formula for the volume of a cone is: 
π
²
=





14,130 feet³
18;45 = 9
24;16 = 8
I hope this helps