Answer: Justin worked for lifeguard for 2 hours. Justin worked as a babysitter for 8 hours.
Answer:
<h2>Area = 14x + 21 square units</h2>
Step-by-step explanation:
The formula of an area of a square with side length <em>a</em>:
The big square:
Substitute:
<em>use</em>
The small square:
Substitute:
<em>use</em>
The area of a shaded region:
Substitute:
<em>combine like terms</em>
There is no exact length of the curve x = √(y) - 4y from 1 to 4.