I would say 3 because terms are separated by a plus or minus sign and there are 2 subtraction signs separating 3 expressions.
Answer:
-1.8
Step-by-step explanation:
m= y2 - y2over x2 - x1
m= -1 - 8 over 1 - 6 = -1.8
m= -1.8

<h2>QUESTION</h2>

<h2>FIRST YOU HAVE TO DISTRIBUTE:</h2>

<h2>SOLVING FOR OUR ANSWER</h2>

<h2 /><h2>NEW EQUATION/THE ANSWER YOU WERE LOOKING FOR </h2>

<h2>GOOD LUCK ON YOUR ASSIGNMENT AND ENJOY YOUR DAY!</h2>
~

<h2>SIDE NOTE: THE DISTRIBUTIVE FORMULA IS</h2>

:
Answer:
See Below.
Step-by-step explanation:
Statements: Reasons:
Given
Definition of equilateral.
Definition of equilateral.
Substitution
Angle Addition
Angle Addition
Substitution
Substitution
Definition of equilateral
Definition of equilateral
Side-Angle-Side Congruence*
CPCTC
* SAS Congruence:
PA = BA
∠PAC = ∠QAB
AC = AQ