How to write 507 in standard form

What does 14/12=12/equal as a mixed number

The store sells 24 candy bars for $12. Select the three unit rates that can be used to describe this sale. (A.) $0.50 per candy bar (B.) 2 candy bars per dollar (C.) $6 per dozen (D.) 10 candy bars per $5

The nail must be shorter than 1 3/8 inches in order to fit. Which number below is less than 1 3/8?

A student has two test scores. The difference between the scores is 6 and the mean, or average, of the scores is 79. What are the two test scores?

One of the factors of 1331x to the 3rd power-8y to the 3rd power.

Round each decimals to the nearest whole number 6.7

Sally just got back from the vacation with her family. They had been driving for 3 days travelling 8 1/2 hours every day. How many hours were they in the car altogether.

14 plums cost $2.00. What is the cost, to the nearest cent, of 50 plums?

List the perfect cubes between 1000 and 3000

Cathy earns $13.50 per hour for the first 40 hours worked in a week and $20.25 per hour for hours over 40. If she earns $661.50 one week.