If Riley walked the dog for 21 minutes and took a five minute break how long would Riley walk the dog

Chip worked at the animal shelter for 6 hours each week for several weeks. he worked for a total of 42 hours. which of the following can be used to find the number of weeks chip worked at the animal shelter?

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

2/3(-6y+9x) expand each expression using the distributive property