What is the correct descriptin for the translation of a to a? a(10, 3) - a'(1, 6)

Is the response to the survey question "did you smoke in the last week question mark "response to the survey question "did you smoke in the last week? " a discrete random variable, a continuous random variable, or not a random variable?

Write the equation of the circle centered at (10,-2) with radius 2

From a group of 10 men and 8 women, 5 people are to be selected for a committee so that at least 4 men are on the committee. howmany ways can it be done?