A store pays $20 for a set of headphones. The store sells the set of headphones for $70. Your classmate says that the markup is 350% because$70/$20=3.5 Is your classmate correct?

421,471 round to the nearest hundred thousand

Use eulers formula to find the missing number. Edges: 49 Faces:21 Vertices:? 30 32 26 28

Morris works in a flower shop and makes flower arrangements. She puts 10 flowers in each vase and 2/10 of the flowers are daisies. If Morita makes 4 arrangements, how many daisies does she need?

The perimeter of an equilateral triangle is 36 cm. What the length of each side

Drew's weekly allowance is $8.00. C. the video game that drew and Jan want to buy cost $5.5. Write an expression to show how many weeks it will take them to save enough to buy the video game. Use parentheses and brackets in your expression.

Charlene is 8 years older than Aaron. The sum of their ages is 44. What are their ages?

Lenny earns at least $50 a day at his job. Write an inequality showing how much Lenny could earn on any day at his job.

A rectangle that measures 2 feet by 11 feet. What is the area of the rectangle? square feet

Solve the equation if x = 7. 5x + 9

How do I simplify the radical: square root of 324