Use the given frequency distribution to find the class width, class midpoints, class boundaries, and use midpoints to graph the histogram for the given table. phone calls (per day) class | frequency 8-11. 18 12-15. 23 16-19. 38 20-23 47 24-27. 32

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.