A certain brand of razor blades in packages of 6, 12, and 24 blades, costing $3, $4, and $5 per package, respectively. A store sold 12 packages containing a total of 258 razor blades and took in $73. How many packages of each type were sold?

Given f(t) = 282 - 53 +1, determine the function value f(2). do not include f(z) = in your answer

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.

If $740 is invested at an interest rate of 11% per year and is compounded continuously, how much will the investment be worth in 7 years? use the continuous compound interest formula a = pert.