PLEASE HELP Triangle PQR has coordinates P (0, 0), Q (-4, 0), and R (0, 2). If ΔPQR ≅ ΔXYZ, what is the measure of XY? 1 units 2 units 3 units 4 units

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

The formula for the lateral area of a right cone is la = rs, where r is the radius of the base and s is the slant height of the cone. which are equivalent equations?

What is x3+3x2−16x−48 divided by x−1?