C = pi * r ^squared
r = is radius
square the radius, multiple by r
or
2 x pi x r
The answer is D (the last answer choice)
Answer: 11 weeks
Step-by-step explanation: 11 x 10 + 10 = $120 and 11 x 6 +54 = $120
Hi!
For this equation, you can solve it by using the quadratic formula:
x=-b<span>±sqrt/b^2-4ab
-----------------------
2a</span>
Answer:
Stephen's neighbors paid Stephen no more that $28.
Step-by-step explanation:
Given:
Stephen spent $5 of his earnings on snack.
He spent $17 in a new book.
He is left with no more than $6 left.
To describe how much Stephen's neighbors paid him.
Solution:
Let Stephen's earnings in dollars be = 
Amount left after spending on snacks in dollars = 
Amount left after spending on a new book in dollars =
= 
The amount remaining is no more than $6.
Thus, the inequality representing the situation can be given as:

Solving for 
Adding 22 both sides.


Thus, Stephen's neighbors paid Stephen no more that $28.