Answer:
The markup for the shoes is 20 percent.
Step-by-step explanation:
Step-by-step explanation:
Given points are :
Equation of line in two point form is given as:

Answer:
d = -16
Step-by-step explanation:
Step 1: Write equation
89 = -5d + 9
Step 2: Solve for <em>d</em>
<u>Subtract 9 on both sides:</u> 80 = -5d
<u>Divide both sides by -5:</u> -16 = d
Step 3: Check
<em>Plug in x to verify if it's a solution.</em>
89 = -5(-16) + 9
89 = 80 + 9
89 = 89
Answer:
1. 343
2. 64
3. 81
4. 12.25
Step-by-step explanation:
To find the average rate of change, its a secant line.