a manufacturer determines that the number of drills it can sell is given by the formula d=-3p^2+180p-285, where p is the price of the drills in dollars.
a. at what price will the manufacturer sell the maximum number of drills? (this is the x value of the vertex.)
b. what is the maximum number of drills that can be sold? (this is the y value of your vertex.)

a. $60; 285 drills

b. $90; 8,385 drills

c. $31; 2,418 drills

d. $30; 2,415 drills

An assembly consists of two mechanical components. suppose that the probabilities that the first and second components meet specifications are 0.87 and 0.84. assume that the components are independent. determine the probability mass function of the number of components in the assembly that meet specifications. x

Amanager recorded the number of bicycles sold by his company each quarter. his projected sales after t years is given by the expression below. which of the following statements best describes the expression? a. the initial sales of 575 bicycles increases at the rate of 4% over 4 quarters. b. the initial sales of 575 bicycles increases at the rate of 18% over 4 years. c. the initial sales of 575 bicycles increases at the rate of 4% over t quarters. d. the initial sales of 575 bicycles increases at the rate of 18% over t years.

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10