The histogram shows the speeds, in miles per hour, of downhill skiers during a competition. Estimate the mean of the data set displayed in the histogram. If necessary, round your answer to the nearest tenth.
9
8
7
Frequency
3
2
1
40-49
70-79
30-39
Speed (mi/h)
50-59
60-69
The mean speed is about
mi/h.

What is the least common multiple of 6 and 17?

Hurry and answer this! circle x with a radius of 6 units and circle y with a radius of 2 units are shown which steps would prove the circles similar? translate the circles so they share a common center point, and dilate circle y by a scale factor of 4. translate the circles so the center of one circle rests on the edge of the other circle, and dilate circle y by a scale factor of 4. translate the circles so they share a common center point, and dilate circle y by a scale factor of 3. translate the circles so the center of one circle rests on the edge of the other circle, and dilate circle y by a scale factor of 3

Answer question above and explain each step : )