yes they are congruent with ASA
Answer:
The surface area is 
Step-by-step explanation:
see the attached figure to better understand the problem
we know that
The surface area of a triangular prism is equal to

where
B is the area of the triangular base
P is the perimeter of the triangular face
H is the height of the prism
<em>Find the area of the base B</em>

<em>Find the perimeter of the base P</em>

we have

substitute the values
The surface area is

Answer:
Slope is zero.
Step-by-step explanation:
Use <u>y2-y1</u>
x2-x1
to find slope.
Answer:
3x + 21
Step-by-step explanation:
3(x + 7) Distribute
3x + 21