The great common factor of 66 and 42 is

An appliance store sells a washer-dryer combination for $1800. if the washer costs $300 more than the dryer, find the cost for each appliance.

You have 17 cats that live in houses on your street, 24 dogs, 3 fish, and 4 hamsters. what percent of animals on your block are dogs?

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.