The number of calories burned by a 130-pound marathon runner is proportional to the number of hours they run. The equation to represent this relationship is y = 165x. What is the constant of proportionality?

Explain how you can use the associative property to evaluate (7x50)x4.

What are the solutions of the equation? 16x^2 + 24x + 5 = 5 a. 1/4, 5/4 b. -1/4, -5/4 c. -1/4, 5/4 d. 1/4 , -5/4

1jessica's home town is a mid-sized city experiencing a decline in population. the following graph models the estimated population if the decline continues at the same rate. select the most appropriate unit for the measure of time that the graph represents. a. years b. hours c. days d. weeks