What is the solution to the system? x-y+2z=7 2x+y+z=8 x-z=5 (0, 1, 4) (5, −2, 0) (1, 0, 3) (8, −9, −5)

How to solve it and what thw answer is

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

How many quarts of a 50% solution of acid must be added to 20 quarts of a 20% solution of acid in order to get a 40% solution of acid?