Which equation has a slope of -3? A 2y + 6x = 1
B
2y - 6x = 1
C 2x + 6y = 1
D
6x - 2y = 1

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.

In a column proof the right column states your reasons