The area of a rectangular classroom is 320 square feet. If the length and width of the classroom are multiplied by 4, what is the area of the new classroom?

A) 5120

B) 2540

C) 1700

D) 3840

Anne got a haircut and wants to add a 17% tip to her bill. Write an expression to show the total amount Anne should pay. Use the variable h to represent the cost of the hair cut.

Tess gets a snow in a cone-shaped container. The container has a diameter of 3 inches 5 inches. If the snow cone consts $0.20 per cubic inch, about how much would her snow cone cost if the container is filled to the top?

Explain for the number 7931 what is the nearest thousand hundred and tens?

Ten people at a party decide to compare ages. Five people are 30 years old, three are 32, one is 31, and one is 65. To illustrate the importance of outliers, suppose the 65-year old walks away from the party.

0.5 (x4 - 5) + 13 = What is the answer

Simple interest = P * r * t Joe borrowed $900 from Sam for six months. How much will Sam earn if he charges Joe a simple interest rate of 4 percent?

What is the difference? 51-8= La pregunta es porque preguntan la diferencia?

An amusement park line is moving about 4 feet every 15 mins. At this rate approximately how long will it take for a person at the back of the 50-foot line to reach the front of the line?

How do you answer - 80=5m

What's standard form of (4 ten thousand 8 hundred) : 10