the picture is the answer choices but points (-21, 1/2) and (-7, y) have a slope of -1/7. find the y coordinate of the point.

The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled

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?

What is the common difference for this arithmetic sequence? -6,-2,2,6,10 a.4 b.5 c.3 d.6