If a video game cost $27.05 at the register and it was marked $24.99, how much was the sales tax. round to the nearest whole percent

Which of the following lines is not parallel to the graph of y = 4x +7?

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.

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup