De 9 What do you mean by tautology of a statement? Prove that the follow statements are tautologies. (a) (porq) and(~p) ​

Flashback to semester a. are triangles pqr and stu congruent? what is the congruency that proves they are congruent? what is the perimeter of triangle pqr? show your work.

The radius of the base of a cylinder is 10 centimeters, and its height is 20 centimeters. a cone is used to fill the cylinder with water. the radius of the cone's base is 5 centimeters, and its height is 10 centimeters.

If jaime wants to find 60% of 320, which table should he use?