Hello, I have a question. It is on a paper called percent application, and it is from maneuvering the middle. The unit is percents, and it is, "He said, She said". I need the answers. Please help me. It is tomorrow.

Factor the expression using the gcf. the expression 21m−49n factored using the gcf

What additional information is needed to prove that the triangles are congruent using the aas congruence theorem? o lolm o oama o zloa zlma o zlao – zlam

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.