5. Wally is practicing to run the quarter mile race in an upcoming track meet. He wrote down his times, in seconds, during practice. His data are shown.
65, 92, 71, 83, 86, 69, 79,90
What is the mean absolute deviation of the data?

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.

What is the ratio fraction form of 25: 9

Zed is making a centerpiece for his dining room table by putting sand in a cube-shaped vase. the vase is 0.25 meters in length, width, and height. he bought 25 kg of sand. assume the density of dry sand is 1,602 kgm3. what is the volume of the sand that zed purchased? the volume of the sand is approximately m3. enter your answer as the number that correctly fills in the blank in the previous sentence. if necessary, round your answer to six decimal places, like so: 42.536475