What is 4-2y+(-8y)+6.2 simplified

Without graphing the linear functions, find the coordinates of the point of intersection of their graphs: y=3x−11 and y=4

Determine whether the quadrilateral below is a parallelogram. justify/explain your answer (this means back it up! give specific information that supports your decision. writing just "yes" or "no" will result in no credit.)

Steve had 48 chocolates but he decided to give 8 chocolats to each of his f coworkers. how many chocolates does steve have left