Again, . sorry i'm just really horrible at math! i'll give a brainliest to the right answer.

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.)

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

What are the measures of angles a, b, and c? show your work and explain your answers. 25 points