Joyce rose her bicycle 4 miles from her house to the library, and she rode the same distance to the gym. her average speed from the library to the gym was 15 miles per hour less than her house to the library

Asap 25 pts + brainlest to right/best answer

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

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.