Answer:

Step-by-step explanation:
<u>Step 1: Solve for x in the first equation
</u>


<u>Step 2: Plug in x into the second equation
</u>




<u>Step 3: Plug in y into the first equation
</u>
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Answer: 
Answer:

Step-by-step explanation:
<em><u>The formula for finding the area of a triangle is:</u></em>
<em><u /></em>
<em><u>The "b," is the base (7), and the "h," is the height (8):</u></em>


28
Answer:
1. 3(9K-2)
2. 5(x+12y)
Step-by-step explanation:
X^2 + 12x = -6
x^2 + 12 x + 6^2 = -6 + 6^2
(x + 6)^2 = - 6 + 36
(x +6)^2 = 30
In the first step I had to add 6^2 = 36. The answer is option B. 36.
Answer:
for the first one, the slope is 1
second one there isn't a slope.
Step-by-step explanation:
( x 1 - y 1 )
_______
( x 2 - y 2 )