The standard deviation of the data set is 2.3. compute the variance to the nearest hundredth. 2,2,2,3,5,5,6,7,8

a)1.95
b)2.3
c)4.44
d)5.29

Marie will earn $15 per hour at a new job. during training, she will earn $10 per hour. what percent of marie’s regular hourly rate will she earn during training?

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?

Afamily went out to dinner and their bill was $113.if they want to leave a 19% tip, how much should they leave.