What is the difference between a constant and variable graph of a line

Solve for x -2.3(r - 1.2 ) = -9.66 enter you answer as decimal.

Omar is going on a road trip! the car rental company offers him two types of cars. each car has a fixed price, but he also needs to consider the cost of fuel. the first car costs $90 to rent, and because of its fuel consumption rate, there's an additional cost of s0.50 per kilometer driven.

Factor these polynomials and explain how 1. 12x - 3x^2 2. 20 - 240x^2