Describe the slope of the line. (-3,1) and (2,-2) The slope is , find the slope m=?

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

Asquare picture with sides of 32 inches is to be mounted on a square mat with sides of 52 inches. find the area of the mat that will remain uncovered by the picture.