Suppose p, q, and r are propositional variables (i. e. they can be true or false). using propositionallogic, write a proposition that is true when p and q are true and ris false, but is false otherwise. you may use any or all of the logical operators v, , > show that your proposition gives the desired results by writing out a truth table for it.

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

Ethan is proving that the slope between any two points on a straight line is the same. he has already proved that triangles 1 and 2 are similar. drag statements and reasons to complete the proof.