Suppose we draw a random card from a 52-card deck, put the card back in the deck, shuffle the deck, and repeat this process a total of k times. what is the expected number of cards that have been drawn at least once?

On the first of each month, shelly runs a 5k race. she keeps track of her times to track her progress. her time in minutes is recorded in the table: jan 40.55 july 35.38 feb 41.51 aug 37.48 mar 42.01 sept 40.87 apr 38.76 oct 48.32 may 36.32 nov 41.59 june 34.28 dec 42.71 determine the difference between the mean of the data, including the outlier and excluding the outlier. round to the hundredths place. 39.98 39.22 0.76 1.21

Long division the problem is 40 ➗ 348 = ?

Find cot x if sin x cot x csc x = √2