Jenna has 23 stamps. She wants to arrange them in an array on one page in her stamp album. How many ways she can arrange them? Explain

A rectangle measures 13 cm by 5 cm what is its area

A 12-foot ladder rests against the side of a house. The base of the ladder is 3 feet away from the side of the house. How high above the ground is the top of the ladder?

Estimates 3 2/3 / 3 2/9

You use 43 muscles to frown. When you smile, you use 32% of these same muscles. About how many do you use when you use

Two equivalent ratios for 9:36

Which ordered pair is a solution of the equation? 2x+3y=10?

Two less than the product of a number and - 5 is - 42

A plane flies from New York to Los Angleles at a constant speed of 800 km/hr. If the distnace from New York to Los Angeles is 4000 km how long will it take the plane to fly that distance?

Anna bought a sandwich for 2.49 and a drink for 1.55. She gave the clerk 5.05. How much change should she get back?

One linear expression is subtracted from a second linear expression and the difference is x-5. What is the difference when the second linear expression is subtracted from the first?