In a bag containing black and white marbles, 3/8 of the marbles are black.
which could be the numbers of black and white marbles in the bag?
a.
3 black and 8 white
b.
12 black and 20 white
c.
20 black and 12 white
d.
8 black and 3 white

step-by-step explanation:

if you meant, "on the way from (3, 2) to (3, 14):

x does not change; y increases by 12.

ensure that you have copied down this problem correctly.   .

answer: the distance

step-by-step explanation:

to calculate the distance d of a line segment with endpoints (x1, y1) and (x2, y2) use the formula d (x2 x1)2 (y2 y1)2. to calculate the midpoint of a line segment with endpoints (x1, y1) and (x2, y2) use the formula