Answer:
13
Step-by-step explanation:

Answer:
A = ((a+b)/2)h
Step-by-step explanation:
a and b are base (the top and bottom)
h is height
Answer:
<h3>
D. (2, 7)</h3>
Step-by-step explanation:
The solution is the coordinates of the point (p,n) of intercept of lines described by given equations.