Please help this is my last question and if I get it wrong I will have to redo the lesson

Complete the statements about the system of linear equation respresented by the tables the equation respented the left table is

The step function g(x) is defined as shown.what is the range of g(x)? ***answer choices in picture.

Simonne used the following steps to simplify the given expression. 12-3(-2x+4) step 1: 12+(-)+(-3)(4) step 2: 12+6x+(-12) step 3: 12+(-12)+6x step 4: 0+6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? •identity property of addition •inverse property of addition •associative property of addition •commutative property of addition