Jessie tried to solve an equation step by step. \qquad\begin{aligned} 1.5b+9&=11 \\ 1.5b&=3&\green{\text{Step } 1} \\ b&=2&\blue{\text{Step } 2} \end{aligned}

1.5b+9

1.5b

b



=11

=3

=2



Step 1

Step 2

HEPPP M AAPPP

Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (–3)·(–2x) + (–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? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition

For which pair of functions is (gof)(a)=|a|-2?

If the measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x?