
Answer: -115 should be added to 18 to get a sum of -97.
Hope this helps. - M
radius = 3 feet
rearrange the formula making r the subject
πr³ = V ( multiply both sides by 3 to eliminate fraction )
4πr³ = 3V ( divide both sides by 4π )
r³ =
= ( 3 × 36π ) / 4π = 3 × 9 = 27
take the cube root of both sides
r =
= 3
Answer: 2 per month
8 per four months
Step-by-step explanation: