Answer:
Plot the points.
Formula for area of trapezoid;
A = 1/2(b1 + b2)h
Where 'b1' is base one, and 'b2' is base two.
H is the height.
Our base one is 7 units.
Our base two is 9 units.
Our height seems to be about 2.
(My picture is not accurate, but the one of on your screen may seem so, so if it looks different for you then do not follow my answer.)
Plug in our values:-
A = 1/2(b1 + b2)h
A = 1/2(7 + 9)2
A = 1/2 x 16 x 2
A = 16/2 x 2
A = 8 x 2
A = 16