Simplify
3x- 2z+- 2z- 4z- 3z

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

Find the domain and range of the following function f(x) = 51x - 21+ 4

Solve the problem by making up an equation. a man could arrive on time for an appointment if he drove the car at 40 mph; however, since he left the house 15 minutes late, he drove the car at 50 mph and arrive 3 minutes early for the appointment. how far from his house was his appointment?