Answer:
55 cents
Step-by-step explanation:
C 2 (-20)
He withdrew (took out) money twice.
That's -20 two times.
Answer:
one solution
Step-by-step explanation:
3x − 7 = 4 + 6 + 4x
Combine like terms
3x-7=4x+10
Subtract 3x from each side
-7=x+10
Subtract 10 from each side
-17 =x
There is one solution
When you say "which," it sounds like it should be multiple choice. Anyways, here's the simplified form of


(When simplifying fractions, you should <em>never</em> have a square root on the bottom. Multiply by the square root to cancel it out)
The volume of cone is calculated by the formula

, where H is a height of cone and R is a radius of the bottom.
In your case, R=3 cm and R=7 cm. Then

.
Answer: The volume of candy is 21π.