A runner completed her event in 45 seconds. After more training the runner completed the same event in 41 seconds. Is this an increase or decrease? What was the percent change?

Find the slope of the line y =8/9x + 1.

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.

Solve the equation using the zero-product property. -3n(7n - 5) = 0 a. 0, -5/7 b. -1/3, -5/7 c. -1/3, 5/7 d. 0, 5/7