Which of the following is the contrapositive of the conditional below? if 3 + 4 = 6, then 2 · 5 = 10. a. if 2 · 5 = 10, then 3 + 4 = 6. b. if 3 + 4 ≠ 6, then 2 · 5 ≠ 10. c. if 2 · 5 ≠ 10, then 3 + 4 ≠ 6. d. if 3 + 4 ≠ 6, then 2 · 5 = 10.

Given the box plot, will the mean or the median provide a better description of the center? box plot with min at 10.5, q1 at 11.5, median at 12.5, q3 at 13.5, max at 15

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

How do i start to solve? would appreciate a walk-thru! a bird sitting 16ft above the ground in an apple tree dislodges an apple. after how many seconds does the apple land on the ground? (assuming that no branches will interfere with it's fall)