4 Problems, Linear absolute value equations

|x+4|=10

|2x-6|=18

|3x+1|=-9

|x+3|-7=40

Create and solve a linear equation that represents the model, where squares and triangles are shown evenly balanced on a balance beam. assume the weight of a square is 1 unit and the weight of a triangle is unknown.

15 points what is the end behavior of this graph? & what is the asymptote of this graph?

Consider the sequence below. 3 , 1 , 1/3 , 1/9 , select the explicit function which defines the sequence.