The length of a rectangular is 2/5 meter. It's width is 1/4 of its length. What is the perimeter of the rectangle?

It costs $5.52 to park in parking lot A and $3.75 to park in parking lot B. How much more does it cost to park in parking lot A?

Beth drove 45 miles and used 3 3/4 gallons of gas. Martha drove 85 miles and used 5 2/3 gallons of gas. which driver use fewer gallons of gas per mile

A specific type of bacteria reproduces through binary fission every hour. If there are three bacteria cells to begin with how many bacterial cells will there be in five hours? bacterial cells

An aircraft costs $2968 dollars per hour to operate. The algebraic expression 2968t gives the total cost to operate the aircraft for t hours. Find the total cost to operate the aircraft for 3.3 hours

Suppose the population of a town is 134,000 in 2004. The population increases at a rate of 3 percent every year. What will the population of the town be in 2020? Round your answer to the nearest whole number, and show all work.

Calculate the volume of the prism below with measurements a = 11, b = 5, and c = 10. 325 275 550 450

Mrs. Henson's rectangular afghan is 2 feet longer than it is wide. If the afghan has an area of 24 square feet, what is its width? (Remember, the area of a rectangle is its length times its width.)

Porphyrin is a pigment in blood protoplasm and other body fluids that is significant in body energy and storage. Let x be a random variable that represents the number of milligrams of porphyrin per deciliter of blood.

In the aftermath of a car accident, it is concluded that one driver slowed to a halt in 20 seconds while skidding 1775 feet. If the speed limit was 60 miles per hour, can it be proved that the driver had been speeding?

Hannah is having a party and is inviting both girls and boys. The number of boys is 2 less than 3 times the number of girls. What can be the greatest number of boys invited if there are only 14 kids invited to the party?