Answer
4.2
Work Step by Step
We find the x coordinate of the intersection of the two lines. The x coordinate is the same as the height of the triangle. Doing this, we find:
$$ -2x+7 = x+2 \\ 3x=5 \\ x=\frac{5}{3}$$
Thus, the area is:
$$ A =.5bh \\ A =(.5)(\frac{5}{3})(5) \\ A=4.2 $$
