Jennifer purchase a $40.00 pair of jeans on sale for $30.00. how much of a discount did jennifer receive?

The area of a rectangle is 15+5y square feet. which of the following expressions could be the length of the sides of the rectangle, in feet a. 5 and 3y b. 5 and 3+y c. 5 and 5+y d. 3 and 5+3y

Negative 5 1/12 + negative 4 1/4 + 6 3/4

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?