The slope of any line perpendicular to , where A (0, -3) and B (4, 9) are two points on the line, is m = -3
-1/3
3

What properties allow transformation to be used as a problem solving tool

Adrawer contains 12 identical white socks, 18 identical black socks and 14 identical brown socks. what is the least number of socks you must choose, without looking, to be certain that you have chosen two socks of the same colour?

14. (05.02 lc) what is the value of y in the solution to the following system of equations? (5 points) 2x + y = −4 5x + 3y = −6