Cindy went to the carnival with her family. She paid $8 for every 10 rides she rode. She spent a total of $25 on rides. Which equation can be used to determine r, the number of rides Cindy rode at the carnival?

Adriano loves anime and collects toy from his favorite series. Each month he gains 4 toys. If Adriano has 3 toys when he starts collecting, how many does he have after 4 months?

What is 4n-5? Answer as fast as you can

37/50 if a number is what percentage of that number

Write as a fraction. 6 3/4%

Temperature rises 17 degrees

By how many is 6 less than 14

In order for a film camera with a lens of fixed focal length F to focus on an object located a distance x from the lens, the film must be placed a distance y behind the lens. F, y, and x are related as follows: 1/F=1/X + 1/Y.

I am a number between 20 and 30. I am not divisible by 6. and the sum of my factors is 31. What number am I?

3 divided by 579 and show the work

A flower garden is 4 feet longer than its width w. Write a polynomial the represents the area of the garden.