If fixed costs are 30, variable costs per unit are Q + 3 and the demand function is P + 2Q = 50
show that the associated profit function is
π = −3Q2 + 47Q − 30.
Find the break-even values of Q and deduce the maximum profit.

Find two rational expressions that have the difference of 2-n/n-4

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?