C. 20 / 4
20 represents how much time practicing in running has reduced her run time, and dividing by 4 weeks show the amount of seconds lowered per week (5 seconds).
Answer:
50/50
Step-by-step explanation: you can never tell really you and the husband or wife could both have blue eyes but your baby could have brown because your great great great grandma had them.
Perimeter is adding the 3 sides together. Since both triangles have the same perimeter set both triangles to equal:
(x+3 + x+3 + x+3) = (x+3 + 2x-3 + x)
Simplify each side:
3x+9 = 4x
Subtract 3x from each side:
x=9
Answer:
B is the answer
Step-by-step explanation:
Answer:
The commission is $668
Step-by-step explanation: