What is the area of the triangle if the base is 5 centimeters and the height is 6 centimeters?

a. 15 cm2
b. 12 feet
c. 4 m3
d. 16 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.)

According to statistics a person will devote 32 years to sleeping and watching tv. the number of years sleeping will exceed the number of years watching tv by 18. over a lifetime, how many years will the person spend on each of these activities

Apackage of five erasers cost 0. $.39 at this rate how many how much would 60 erasers cost in dollars and cents