Three vertices of a parallelogram ABCD are: A(1, −2, 8), B(1, 2, −4) and C(−1, 1, 2)

Find the coordinates of D.

What is the product? a-3/15a × 5/a-3

Maren is buying carpet for her rectangular living room. the room is 4.8 yards wide and 5.2 yards long. how much carpet does she need to buy? enter your answer as a decimal in the box. yd2

Mr. jones determined that the equation y = 98 - 16/5 x could be used to predict his students' unit test scores, based on the number of days, x, a student was absent during the unit. what was the meaning of the y-intercept of the function? (by the way the 16/5 is a )