How many variable terms are in the expression 3x^3y + 5x^2 − 4y + z + 9?

The composite figure is made up of a parallelogram and a rectangle. find the area. a. 76 sq. units b. 48 sq. units c. 124 sq. units d. 28 sq. units

Tony is charged $ 50 and additional $0.15 per miles for renting a car. a) represent the cost of renting a car with an equation,and the determine the cost if he drove it70 miles.b) what would be the cost of a car rental if the car was driven 250 miles? show work

Suppose the equation ||x-a|-b|=2008 has 3 distinct real roots and a not =0. find the value of b.