Name the congruent triangles and justify the reason for congruence.

It says factor each expression 49x-28?

How many terms does the polynomial x^2 y^2 have

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?