New question from those who were on the other

You are constructing a histogram for scores that range from 70 to 100 in whole points. frequencies range from 3 to 10; that is, every whole-point score between 60 and 100 occurs at least 3 times, and at least one score occurs 10 times. which of these would probably be the best range and size for the score intervals along the x-axis?

Of four points are collinear, they are also coplanar

What is the value of x in the equation (2)3) (x+6)= -18 a. -36 b. -33 c. -24 d. -18