Give the equation of the lines

Module 10 coordinate proof using slope and distance answers is quadrilateral abcd a parallelogram? explain how you know.

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

Graph the system of equations on your graph paper to answer the question. {y=−x+4y=x−2 what is the solution for the system of equations? enter your answer in the boxes.