3/4 of what number is 6 times 4?

Giving 100 points asap bev has to cut her grandma's grass this weekend and wants to know exactly how much area she will be cutting. calculate the area of the polygon. be sure to show all your work and explain your answer.

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?