The formula below gives D, the demand for concert tickets when the price of each ticket is P dollars.

D (p) = 2000-4p-p^2

What's the value if D (15)

Alex stocks up for winter. He buys 36 cans of vegetables. He paya 80 cent per can for tomatoes and 40 cents per can for corn, for a total cost of $20.8. How many cans of corn does he buy?

Carl scores 50 bull's-eyes in 4 dart games. How many bull's-eyes does he average per game? A. 12.5 B. 13 C. 13.5 D. 12

bob wants to lose weight. he currently weighs 220 pounds. on average he is losing 5 pounds per week by eating 1000 calories a day. at this rate how many weeks will it take for bob to reach his goal of 175 pounds

A survey-taker asks the age of each person in a random sample of 20 people. X is the age for individuals. Does X have a binomial distribution?

Frank cut a pie into 10 equal slices. There are only 3 slices left. what is the measure of the angle for 3 slices that are left?

Lacey is putting 3902 books into boxes. She needs to put 89 books in each box. Approximately how many boxes will she need.

The school is selling cookies and shirts. Cookies sell for $10 and shirts sell for $20 each. A total of 390 items were sold and $6500 was raised. How many of each items were sold?

Assume that when adults with smartphones are randomly selected, 54 % use them in meetings or classes. If 66 adult smartphone users are randomly selected, find the probability that exactly 44 of them use their smartphones in meetings or classes.

Claudia's skis are 150 centimeters long. how many meters is this?

What is the greatest common factor of 24 and 54