The perimeter of a square is directly proportional to the length of one of its sides. The perimeter is 28 when the length of a side is 7. What is the constant of proportionality?

1/4
4
14
196

What is the measure of angle tvu shown in the diagram below

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.

Let f(x) = 3 − x . find the average rate of change of f(x) from x = a to x = a + h and simplify your answer so that no single factor of h is left in the denominator.