Last year 450 students were enrolled in an art program. This year, there are 320 students. Calculate the percent change.

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

What is the solution to the equation? k/6.4=8.7 2.3 5.568 15.1 55.68

Which best describes the function on the graph? direct variation; k = −2 direct variation; k = -1/2 inverse variation; k = −2 inverse variation; k = -1/2