Find the percent of change from 41 songs to 99 songs. Round to the nearest tenth of a percent if necessary. What is the percent of change?

Did she make an error? Amelie wants to decorate the outside of the box but not the bottom. It is a 5 in. by 3 in. by 2 rectangular prism. If the beads that she is using cost $0.

Are the diagonals of a parallelogram perpendicular? Why or why not? Explain.

What unit rate is 420 miles in 7 hours?

Negative 2 fifths times negative 1 and one fourth

A alone can complete a work in 16 days and B alone can complete the work in 12 days. How many days will it take to complete the work if they work on alternate days starting from A.

Juan deposited 200 dollars in a svaings account earning 3% interest over 2 years what was the total amount of interest earned after 2 years

Find the value of a. (6a+10) ° (3a+55) °

What are 3 equivalent fractions for 25 over 50?

Jen solves the equation 100-1/2x=92 to determine the number of questions, x, she answered incorrectly on a test. She began by subtracting 100 from both sides, then multiplying both sides by - 2. Which best describes the accuracy of jen's work?

2x + y = 20 6x - 5 y = 12