Find the value of x

its just for geometry, i would be if someone me out.

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?

Haquira is baking cookies to put in packages for a fundraiser. shaquira has made 8686 86 chocolate chip cookies and 4242 42 sugar cookies. shaquira wants to create identical packages of cookies to sell, and she must use all of the cookies. what is the greatest number of identical packages that shaquira can make?

If there are 72 students than adults at the dance, how many adults were at the dance?