David can run 4 miles in 75 minutes .what is davides jogging rate per hour ?

Emma will roll two number cubes labeled 1 through 6. she will record the sum of the two numbers after each roll. she will roll the two cubes 540 times. how many times should emma expect the sum to equal 5?

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

The diagonals of a quadrilaretral intersect at (-1,4). one of the sides of the quadrilateral is bounded by (2,7) and (-3,5) determine the coordinates of the other side in order for the quadrilaretral to be a square.