The equation of line h is y = 3x – 4.5. Line k is parallel to line h and contains the points (-2, -3) and (a, 15). What is the value of a? I NEED HELP WITH THIS QUICK

Apolice office claims that the proportion of people wearing seat belts is less than 65%. to test this claim, a random sample of 200 drivers is taken and its determined that 126 people are wearing seat belts. the following is the setup for this hypothesis test: h0: p=0.65 ha: p< 0.65 find the p-value for this hypothesis test for a proportion and round your answer to 3 decimal places.