Solve the system of 2x-5y+z=1 3 y+2z=5-24z=48

How many days was the temperature above 90 degrees?

Will mark brainliest! ( explain the answer too, it can be one sentence)

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.