Answer:

Step-by-step explanation:
Using the slope formula:

Answer: Please rewrite your question or send a pic. It is not clear what you are asking.
Step-by-step explanation:
Answer:
X=-12
Step-by-step explanation:
9-16-5=X
-12=X
X=-12
Answer: C) 78 in2
Step-by-step explanation:
The polygon is divided into two trapezoids with equal measurements.
Area of a trapezoid:
1
2
(b1 + b2)h
Since the area of the hexagon equals the area of two trapezoids with equal measurements, do not multiply by 1/2.
(b1 + b2)h
(10 + 16)3
26(3)
78 in2