The correct answer is (C). The sample is a subset of the population, and the parameter is a characteristic of the population of interest.
. The amount of TIME spent driving (which depends on the SPEED of the car) is 5 hours. means time(speed) = 5. TIME and SPEED are your key words and 5 is the key number.
These are vertical angles so they are equal so
6a + 11 = 2a + 83
now solve for a
