The frequency table shows the number of siblings of each student in a class. Use the table to select the dot plot of the data, and complete the description to describe the distribution. Round to the nearest thousandths. Number of siblings | Frequency
0 | 9
1 | 7
2 | 6
3 | 1
4 | 1
​

The variable z is directly proportional to x, and inversely proportional to y. when x is 4 and y is 13, z has the value 1.2307692307692. what is the value of z when x= 9, and y= 20

The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is recorded in milliliters per kilogram, ml/kg). the mean maximum oxygen uptake for elite athletes has been found to be 60 with a standard deviation of 7.2. assume that the distribution is approximately normal.

We have enough material to build a fence around a station that has a perimeter of 180 feet the width of the rectangular space must be 3 1/4 feet what must the length be