20 points !! need help asap If the aspect ratio in width to height (width: height) of a chalkboard is 23:15 and the width is 85 inches, what is the height of the chalkboard? 130.3 inches 4.1 inches 123 inches 55.4 inches

At a sand and gravel plant, sand is falling off a conveyor and onto a conical pile at a rate of 16 cubic feet per minute. the diameter of the base of the cone is approximately three times the altitude. at what rate is the height of the pile changing when the pile is 12 feet high? (hint: the formula for the volume of a cone is v = 1 3 πr2h.)

The monetary value earned for selling goods or services to customers is called a.) revenue b.) assets c.) money d.) accounting

If $740 is invested at an interest rate of 11% per year and is compounded continuously, how much will the investment be worth in 7 years? use the continuous compound interest formula a = pert.