Tom wants to reach a second floor window on a house that is 20 feet above ground. if he must put the ladder at a 70 degree angle to the ground, how long must the ladder be?

During the 2012-2013 nba season, jamal crawford playing for the los angeles clippers, had a free throw percentage of 0.871. using complete sentences, describe the likelihood that he would make the free throw each time he stepped up to the line that season. explain your reasoning.

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17. a researcher measures three variables, x, y, and z for each individual in a sample of n = 20. the pearson correlations for this sample are rxy = 0.6, rxz = 0.4, and ryz = 0.7. a. find the partial correlation between x and y, holding z constant. b. find the partial correlation between x and z, holding y constant. (hint: simply switch the labels for the variables y and z to correspond with the labels in the equation.) gravetter, frederick j. statistics for the behavioral sciences (p. 526). cengage learning. kindle edition.