(4 + 3a - 2a power by 2) + (7a power by 2 - a - 9)

Place the following steps in order to complete the square and solve the quadratic equation,

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

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