Answer:
I have a feeling it won't be exactly 15 minutes but it'll be around that time, if it's true.
Step-by-step explanation:
Answer: The answer is D
Step-by-step explanation: 12x means 12 times x, which means her age is 12 times her brother's age.
Just plug it into a calculator and you would get 400
Answer:
117π or 367.56634047
Step-by-step explanation:
Volume = π × r² × h (r=radius and h=height)
Volume = π × 4² × 13
Volume = π × 9 × 13
Volume = π × 117
Volume = 117π