7. Which of the following distributions has a mean that varies? I. The population distribution
II. The distribution of sample data
III. The sampling distribution of the sample mean
(a) I only
(b) II only
(c) III only
(d) II and III
(e) all three distributions

answer: y = -12x + 108

step-by-step explanation: do (y = m x+b) formula.

here you hope this .

step-by-step explanation:

hypotenuse = √(15² + 8²)

=  √(225 +64)

=  √(289) = 17

sin(x) = cos(y) = 8/17

they are identical so long as you are doing the sine of one angle and the cosine of the only other angle that isn't the right angle.