Which of the following conditions in a quadrilateral proves it is a parallelogram?
A One pair of opposite sides are congruent
B. One angle is supplementary to both consecutive angles
C One pair of opposite angles are congruent.
D. The diagonals are congruent.

What two consecutive odd integers have a sum of -28

Solve the system of equations. 2x-2y=-4 and x+y=8. show work

Iwill give brainliest. give accurate answer, . suppose tommy walks from his home at (0, 0) to the mall at (0, 5), and then walks to a movie theater at (6, 5). after leaving the theater tommy walks to the store at (6, 0) before returning home. if each grid square represents one block, how many blocks does he walk?