Kevin is 2 times as old as Bob. Two years ago, the sum of their ages was 11. How old are they now?

In a maine town there 55% red sox fans. If the population is 34,500, what is the probability that in a sample of 25[..]

A chemist distillery experiment on two alcohol solutions of different strength, 35% alcohol and 50% alcohol[..]

A faucet can fill an empty utility sink 3 minutes. The drain can empty a full sink in 5 minutes. If by mistake both[..]

A retail outlet's profit is given by the equation P(n) =2n^2-59n-5 where n is the number of items sold. How many[..]

Mack is 3 years older than Betty and the product of their ages is 180. How old is each

A basketball bounces off the ground. Then ball‘s height y (in feet) after t seconds can be modeled by y = -16t +20t[..]

If sales are $1,104,000 in 2013 and this represents a 15% increase over sales in 2012,what were the sales for 2012?

You are adding an addition to your patio. The area( in square feet)of the addition can be represented by k2-3k-10[..]

A car travels at an average speed of 68 miles per hour. How long does it take to travel 255 miles?