What expression is equivalent to 2(30x- 24),3(20x- 16), and 4(15x- 12)

An architect is designing a water fountain for a park she uses the given function to model the water jet flowing from the fountain nozzles where h(x) gives the height of the water jugs in feet x feet from the starting point h(x)=-1/20x+x+15

When rolling 26 sided number cube what are the chances some of the role will be seven

Write the slope intercept equation for line ab.