A discount store buys a shipment of swing sets at a cost of $210 each. The swing sets will be sold for $609 apiece. What percentage is the mark-up?

The area of a square is 320 square feet. Estimate the length of one side. Round your answer to the nearest whole number.

Each of ten tickets is marked with a different number from 1 to 10 and put in a box. if you draw a ticket from the box, what is the probability that you will draw 2, 8, or 4?

You roll two dice. let event A be "the first die shows a 1, a 2, a 3 or a 6" and Event B be " The second die shows an even number" What is P (A B) ?

solve for m: F=GMm/r^2

The time, t, in hours, it takes to do a certain task varies according to the number of workers, w, who work on the task. If it takes 4.

The sales tax on a $750 computer at J and M is $48.75. What is the sales tax rate

How to simplify radical 64

What is the formula of statistics?

What is 75 divided by 18723 in long divison

Solve the equation 1.2m=0.6