2. California's health care expenditures for 1992 - 2014 (reported by the Centers for Medicare and Medicaid Services) are given in the table below. Let x represent the number of years after 1992.
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Which formula gives the area of a triangle? a=1/2(b+h)

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.

If you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain.