Find the standard deviation for the given data. Round your answer to one more decimal place than the original data. 15, 7, 8, 19, 14, 13, 13, 17, 8

Alex determined that his average speed when he commuted to work is 35 miles per hour. what conversion factor can be used to convert this speed to feet per hour?

Can you me find area of the shaded region?

Abag contains even and odd numbered balls in the ratio of 3: 7, respectively. for each of the following, what is the probability of drawing an even-numbered ball? the total number of balls is 240 and 30 of the odd-numbered balls are renumbered by multiplying the numbers by 4.