Linear Equations, Functions, and inequalities Using Equivalent Systems of Equations
Warm-Up
10
Graph: x + y = 4
Graph: 2x + 2y = 8
1. What do you notice about the lines?
2. What do you notice about the equations?

To complete your spring schedule, you must add calculus and physics. at 9: 30, there are three calculus sections and two physics sections; while at 11: 30, there are two calculus sections and three physics sections. how many ways can you complete your schedule if your only open periods are 9: 30 and 11: 30?

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol

Whats is the value of the variables ?