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

Lily sold 40% of the 65 bracelets that she made for a craft fair. How many bracelets does Lily have left to sell?

Solve for maturity value, discount period, bank discount, and proceeds. Assume a bank discount rate of 9%. Use the ordinary interest method. (Use Days in a year table.) (Do not round intermediate calculations.

You bought 5 pounds of hamburger meat, and you want to make quarter pounders (each weigh. 25 of a pound). How many quarter pounders can you make? Show your work and explain your reasoning. Katie's answer: To determine how many.

A transformation is shown in the diagram. ∠A ∠A' and ∠C ∠C' Which transformation is shown in the figure? ΔABC was dilated to form ΔA'B'C'. The transformation is not isometric. ΔABC was reflected to form ΔA'B'C'. The transformation is isometric.

The cylinder below has a volume of

The sale of sweaters in a town changes with the temperature. If a statistical model predicts that daily sales (in dollars) are determined by the function s =

Add the numbers from 1 to 100 by following the same steps you used in 1.

The numbers of chocolate chips in 7 cookies are shown. 5,7,7,9,12,16,21 What is the mean number of chocolate chips for these 7 cookies?

The length of rectangular hall is 3 meters more than double of its breadth. If it's perimeter is 66 meters, what is its length?

You wake up at 6:50 a. m. and spend 30 minutes getting dressed. you have a 20 minute walk to school. what time do you arrive at school?