What are the ways to determine if a relation is a function

Synonym of cite and non-example

David can proofread 15 reports in an hour, while Armando can proofread 37 reports in an hour. If they have 400 reports to proofread, how much time will it take between the two of them?

What is 525/1000 in simplest form?

How many laps does it take to run a five k race?

Tim cut a 2.3 foot length of pipe from a pipe that was 4.1 feet long how long is the remaining piece of pipe

The wacky widget company is planning to produce widgets. The company has rented space for its manufacturing operation at 4,000 per month. Each widget requires $32 worth or materials and $44 worth of labor.

What is the value of r in this equation? 4 (x-3) - r+2x=5 (3x-7) - 9x

How do I write a numerical expression for 5 times the sum of 3 and 4

What is the greatest number of friends who can receive a necklace

Use base ten blocks to find 182 divided by 14. Describe the steps you took to find your answer