Answer=18

3x4=12

12x6=72

72x1/4=18

**Answer:**

Hi there!

Your answer is:

<em />

<em>Question was unclear! See below for answer possibilities!</em>

**Step-by-step explanation:**

<u>**IF "-1" MEANS MULTIPLY BY NEGATIVE 1**</u>

2((42) -1 ))

2(-42)

<h2><em>-84</em></h2>

<u>**IF "-1" MEANS SUBTRACT 1**</u>

2((42)-1)

2(41)

<h2>

**<em>82</em>**</h2>

**Hope this helps**

Answer:

**Side-Side-Side (SSS) Congruence - if three sides of one triangle are congruent to three sides of another triangle, then the triangles are congruent.**

**Side-Angle-Side (SAS) Congruence - If two sides and the included angle of one triangle are congruent to the corresponding parts of another triangle, the triangles are congruent.**

**Angle-Side-Angle (ASA) Congruence - If two angles and the included side of one triangle are congruent to the corresponding parts of another triangle, the triangles are congruent.**

**Angle-Angle-Side (AAS) Congruence - If two angles and the non-included side of one triangle are congruent to the corresponding parts of another triangle, the triangles are congruent.**

**u see which one fits**