The graph below shows the average daily temperatures on January 1 from 1900 to 1934 for city A.

The mean of the temperatures in the chart is 24° with a standard deviation of 4°. Which temperature is within one standard deviation of the mean?
18°
19°
22°
30°

How do you find the area of a triangle

Over the course of the school year, you keep track of how much snow falls on a given day and whether it was a snow day. your data indicates that of twenty-one days with less than three inches of snow, five were snow days, while of the eight days with more than three inches of snow, six were snow days. if all you know about a day is that it is snowing, what is the probability that it will be a snow day?

What is the factor form of x^2-9x+14