Answer:
51
Step-by-step explanation:
trapezoid area calculator, A=(a+b/2)h
6h-4
1. Substitute 5 for h
6(5)-4
30-4 =26
Part A. 615.44
Part B. 78.5
Answer:
when
, 
the slope is 0
Step-by-step explanation:
There isn't much to explain.
Y is a vertical axis
x is a horizontal axis
when drawing a line, the line drawn to them is perpendicular so lines only touching the x axis are vertical and lines touching only the y axis are horizontal
the
a vertical line is x=value
the only thing that works is x=12