The ages of a sample of Canadian tourists flying from Toronto to Hong Kong were 28 25 60 43 51 31 66 54 26 and 39 "The ages of a sample of Canadian tourists flying from Toronto to Hong Kong were 28, 25, 60, 43, 51, 31, 66, 54, 26, and 39. Compute the standard deviation. (Round your answer to 2 decimal places.)

Rose drew a regression line for this paired data set. her line passed through (1, 2) and (3, 5) . what is the equation of rose's regression line?

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

Question part points submissions used suppose that 100 lottery tickets are given out in sequence to the first 100 guests to arrive at a party. of these 100 tickets, only 12 are winning tickets. the generalized pigeonhole principle guarantees that there must be a streak of at least l losing tickets in a row. find l.