Use Errol’s and Sandy’s method from problem 7-80 to find the equation of an exponential function with an asymptote at `y=0` that passes through the points (0,5) and (3, 320) .

Jack lives on a farm and has a large backyard. the area of his rectangular backyard is of a square mile. if the width of the yard is of a mile, what fraction of a mile is the length of the rectangular backyard?

What is 1/2 x (6 x 4)+3 + 2 show your work

Joe has a rectangular chicken coop. the length of the coop is 4 feet less than twice the width. the area of the chicken coop is 510 square feet. what is the length of the chicken coup?