39. If one student can complete the decorations for the prom in 5 days working alone, another student could do it in 3 days, and a third could
do it in 4 days, how long would it take them working together?

You will get 25 points an image of a rectangular prism is shown below: part a: a cross section of the prism is cut with a plane parallel to the base. what is the name of the shape created by the cross section? explain your answer. (5 points) part b: if a cross section of the prism is cut perpendicular to the base, what would be the shape of the resulting cross section? explain your answer. (5 points)

What is the distance between point a and b

This graph shows which inequality? a ≤ –3 a > –3 a ≥ –3 a < –3