Subtract a from both sides of the equation.
b=−a+14
The pentagon's area is the sum of the 5 triangles that comprise it. This is

where the factor of 2 accounts for the top and bottom. The walls have an area of 5 rectangles
Answer: root of 18
9+9=x^2
18=x^2
x = 3 root of 2 or root of 18
The surface are would be 81 bc the base area is 9 and you have four triangles with the area of 18. Add them all up and you get 81
Answer:
-2 (3x +12 Y -5 -17 X -16 Y +4)
Step-by-step explanation:
omg.. here we go..
-2 (17) i THinK im not sure hope this helped