At the beginning of the season, a golf coach buys 118 sleeves of golf balls. Each sleeve costs $8. Which best explains if it is better to overestimate or underestimate the amount of money the coach needs to buy the golf balls?

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.)

Find the value of the variable and the length of each secant segment.

I'm confused on this could anyone me and show me what i need to do to solve it.