For the data set 7, 10, 10, 14, 14, 17, the mean is 12. What is the mean absolute deviation?

The mean absolute deviation is 18.
The mean absolute deviation is 12.
The mean absolute deviation is 6.
The mean absolute deviation is 3. I NEED IT NOW!

Suppose the probability of selling a car today is 0.28. find the odds against selling a car today.

In triangle opq right angled at p op=7cm, oq-pq=1 determine the values of sinq and cosq

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil