Which of the following best represents?

A number between _ and _.
A.
6 and 7
B.
9 and 10
C.
7 and 8
D.
8 and 9

Write an equation of a line in slope intercept form that is perpendicular to the line 2x -3y = 12 and passes through the point (2, 6).

Given the following sampling distribution of one mean with a sample size 49, from a normally distributed population,find the population standard deviation, o.79828588912497

Can someone answer this question for me