The following data values represent a population. What is the variance of the population? u= 10. Use the information in the table to help you.
X
6
8
12
14
(x-)2
16
4
4
16
O A. 8
B. 10
O C. 12
D. 20

Solve the inequality, then identify the graph of the solution. 2x – 1 > x + 2

Which of the following parabolas opens down?

Two cars which are 40 miles apart start moving simultaneously in the same direction with constant speeds. if the speed of the car which is behind is 56 mph and the speed of the other car is 48 mph, how many hours will it take for the car which is behind to catch up the car ahead of it?