A truck drove at an average rate of 45 miles per hour on the highway and 20 miles per hour once it entered to city. If it took the trip, which was 100 miles, in 3 hours, how much of it was in the city?

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.

Will give brainliest immeadeately true or false: the origin woud be included in the solution set for the inequality: y< 2x-5

Atriangular field has sides of lengths 21, 39, and 41 yd. find the largest angle. (round your answer to the nearest degree.)