Darla’s Well Drilling Services offers 2 plans for your well. The first plan charges a flat fee of $3000. The second plan is $800 plus $10 per foot of drilling. Set up/solve an inequality that solves for what depths a customer save money using the first plan?

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.

Find the distance between (0,5) & (-4,2)

Ron has 8 caps and 4 of his caps are blue. thes rest of his cap are red. how many of ron's caps are red