Top faces of the 3 blocks of clay can be represented by squares. Use the model to show the part of each that each friend will receive explain!

Cam bought some used books for $4.95. he paid $0.50 each for some books and $0.35 each for the others. he bought fewer than 8 books at each price. how many books did cam buy?

Solve for x, y, and z. show all steps.

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?