In certain chemical, the ratio of zinc to copper is 3 to 17 A jar of the chemical contains 493 grams of copper

Triangle xyz has vertices x(1,3), y(0,0)

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Will’s boss has asked him to compile the credit scores of everyone in his department. the data that will collected is shown in the table below. what is the mode of the credit scores in will’s department? (round to the nearest whole point, if applicable.) 634 667 644 892 627 821 857 703 654 a. 667 b. 722 c. 627 d. there is no mode in this group.