If it takes the jones family 2 days to travel 1,240 miles, how many days will it take them to travel 2,480 miles?

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

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression

Plz hurry evaluate the expression a+b where a=8 and b=19