C.all rhombuses are squares

The Correct choice is <u>Substition method</u> , as we can directly substitute the value of y from first equation to the second equation.
Answer: do
Step-by-step explanation:
8, 11, 12, 13, 16, 42
Add together and divide by 6 to get the mean.
102/6 = 17
Find the middle of the data for the median.
(12 + 13)/2 = 12.5
The mean is 17, the median is 12.5, and the mean is more affected by the outlier. 17 (the mean) is not a good measure of center.