True or False? The sum of the differences ¿ (x - 7) is never zero for any
distribution consisting of n observations.

A. True

B. False

Select the correct answer from the drop-down menu. this graph represents the inequality x+2< 4,2x> 3,x+6< 12,2x> 12

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

Atheater wants to build movable steps that they can use to go on and off the stage. they want the steps to have enough space inside so they can also be used to store props. how much space is inside the steps?