What are the coordinates of the point on the directed line segment from (-10, -1) to (-3,-8) that partitions the segment into a ratio of 6 to 1?

When solving this problem: 3025/5.5 = a/90.75 you get 49912.5 which would be the length of one of the sides of a square when the area is only 90.75 inches. is that answer correct, why, and how is it possible?

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c

If a and −a are numbers on the number line, which expression must give the distance between them? a) 0 b) a c) |2a| d) |a|