A farmer wants to figure out how much hay he needs to feed his cows. In the winter he needs bales of hay for one week of feeding a cow. In the summer the amount of hay needed per cow is halved. How much hay does the farmer need for each cow in the summer, per week?

Brian has an unlimited number of cents (pennies), nickels, and dimes. in how many different ways can he pay 1414cents¢ for a chocolate mint?

The jones farm has 24 cows that each produce 52 quarts of milk a day. how many quarts are produced each day altogether

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.