The answer to your question is a=124 because the center triangle is a isosceles triangle
Answer:
d. 0.849
Step-by-step explanation:

X+8
The equation of that line from from picture is -x+4
2/2=1 with y intercept on 4
Since if is perpendicular we can assume that the equation should be positive. Eliminate the negative answers.
Negative reciprocal= x+1/4
Answer:
-1
Step-by-step explanation:
2x-y+7
Let x = -5 and y = -2
2(-5) -(-2) +7
-10 +2 +7
-10 +9
-1