The gas pump fills the tank at a rate of 3 2 gallons per minute. How long would it take to fill up the tank?

Write an equation for the function that includes the points (1,4/5) and (2,2/3)

Write the summation to estimate the area under the curve y = 1 + x2 from x = -1 to x = 2 using 3 rectangles and right endpoints

An airplane travels at an unknown elevation before it descends 3 miles to an elevation of 15 miles. find the elevation of the plane before its descen.