Suppose that the random variable X has mean μ= 17 and variance σ2= 7.2. What is the variance of 7X− 4? If necessary, round your answer to three decimal places.

What is the effect on the graph of the parent function f(x) = x when f(x) is replaced with 3f(x)? a) shifts the line 3 units up b) shifts the line 3 units down c) increases the slope of the line by a factor of 3 d) decreases the slope of the line by a factor of 3

The table represents a linear function. what is the slope of the function? –6 –4 4 6

Someone answer asap for ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?