Solve d2 + 17d + 72 = 0 by factoring.

Charlie, who is 5 feet tall, walks away from a streetlight that is 16 feet high at a rate of 6 feet per second, as shown in the figure. Express the length s of Charlie's shadow as a function of time.

How many pounds of cashew nuts worth 75 cents a pound must be mixed with 10 pounds of pecans worth $1.50 a pound to make a mixture worth $1.

Find the ratio of two numbers, if the ratio of their arithmetic mean to the geometric mean is 5:3?

What is 7.200 12.490 + 4.579

A team won 7 of it's 12 games. What fraction of its game did the team win?

D = c-s/n solve for n

A kite descends to the ground from a height of 32 feet. Use an integer to describe the descent.

Round 5,382,619 to the nearest 10,000

What is 52/7 in simplest form

The ages of commercial aircraft are normally distributed with a mean of 13.5 years and a standard deviation of 7.3 years.