There are two identical flights of stairs. For the first flight of stairs, Tom walked up some steps and ran 7 steps, he took a total of 69 seconds. For the second flight of steps, Tom walked some steps and ran 15 steps. How long will Tom take to walk up both flights

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean

For the inequality |c| < |d| to be true, which of the following must be true?

The average length of a king cobra is 3.7 m. the record length is 1.88 m longer than the average. how long is the record holder?