The expression 2l + 2w is used to find the perimeter of a rectangle with length l and width w.

What is the perimeter of a rectangle with length 18 cm and width 3 cm?

A shelf contains DVDs: 11 dramas, 7 science fiction, 9 comedies, and 6 horror films. You choose a DVD from the shelf without looking. What is the probability the DVD will be drama?

0.4 divided by 28.08

A ball is thrown in the air from a ledge. Its height in feet is represented by f (x) = - 16 (x2 - 6x - 7), where x is the number of seconds since the ball has been thrown. The height of the ball is 0 feet when it hits the ground.

According to the Rational Root Theorem, what are all the potential rational roots of f (x) = 15x11 - 6x8 + x3 - 4x + 3?

The table shows the number of gallons of gasoline the Beckleys purchased on their road trip. What was the total cost for gas for the trip? (ample Foel Number of Gallons Cost per Gallon (5) 509

Terrence plants a garden that has 8 rows of flowers, with 28 flowers, with 28 flowers in each row. How many flowers did Terrence plant?

To bill customers for water usage, one city converts the number of gallons used into units. This relationship is represented by the equation g = 748u, where g is the total number of gallons of water used and u is the number of units.

A theater company charges $8.50 per ticket for people of all age groups. If c represents the total number of children who bought tickets and a represents the total number of adults who bought tickets, which expression best represents the total money

A baseball stadium holds 45,000 seats. If tickets have been bought for 5/8 how many seats are still available

jon is going to a concert out of town. after work he has 2 hours to get to the concert 158 miles away. what speed must you maintain to get there in time