8 less than the quotient of m and n

Technicians have installed a center pivot, circular irrigator for a farm that covers 25 acres. a.) how long is the irrigation boom (in feet) from the center pivot to its farthest extent? b.) if the irrigation boom makes 4 full revolutions in a day, how many miles does the end of the boom travel in 5 days?

F(x)=3(1.54)^x whats this how do you do it

Ahorse ran 800 meters in 40 seconds , 1200 meters in 60 seconds , and 480 meters in 24 seconds . is this a proportional relationship? if so , what is the constant proportionally? what does it represent ? write an equation to represent the distant d , in meter , that the horse runs is seconds