Having trouble on solving for r in the equation A=2 (3.14) rh

There are 3 red marbles for every 4 blue marbles. If you have 84 marbles, how many blue marbles do you have? ?

Express 140 as a product of its prime factors

Which situation could 3x25=75 represent

If you travel 40 miles at 45 miles per hour, how many minutes will that take you?

A storage container has a base area of 480 ft sq. The length is 10 ft and the height is 8 ft. What is the width of the storage container?

The circumstance of a circular region is shown. What type of number best describes the diameter of the circle? Explain your answer

Sora gave her this clue. Find Sora's age My age is 10 more than one tenth of one tenth of one tenth of 3,000

Connor found that 60% of 40 is the same as 25% of another number, n. What is the value of n?

Elisa's mom teaches at preschool. There is 1 teacher for every 12 students at the preschool. There are 276 students at the preschool. Elisa is setting up equivalent ratios to find the number of teachers at the preschool.

A recent online survey published that a hospital needs 9 nurses for every 45 patients. How many nurses a hospital would need in order to take care of 255 patients?