The first x coordinate is given by 0 and the second one is given as j. So the length of the base is j. (Sometimes in math they give letters rather than numbers. And since you know it is an isosceles then the other vertex should be at x-coordinate half j or j/2.
Easy peasy pumpkineasy the answer issssssssssssssss 455555
Answer:
.4 in or 2/5 in per month (.4 and 2/5 means the same one is in decimal and the other one is in fractions.