The paired data below consist of the temperatures on randomly chosen days and the amount a certain kind of plant grew (in millimeters): temp 62 76 50 51 71 46 51 44 79 growth 36 39 50 13 33 33 17 6 16 find the value of the linear correlation coefficient r.

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.

Find the value of x for which line a is parallel to line b

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.