Answer:
Part 1)
or

Part 2) The side length of each piece Trinette used to make the pillow covers is

Part 3) Elton's hourly wage is

Explanation:
Part 1)
Let
x------> the time in seconds
we have

In this problem the initial height is 8 ft
so

To find how long does it take the apple to reach the ground, equate the function to zero and solve for x





Part 2)
step 1
The area of a square tablecloth is
Divided by 4
step 2
Find the length of each piece

so


Part 3)
we know that

solve for x


