Mary is 12 years old now, and is three times older than her sister. how old will mary be when she is twice as old as her sister?

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