I need help finding the Diagonals.

Ametal rod needs to be 9 feet and 5.5 inches in length. the sections of the poles being used are each 1 foot and 10.5 inches long. how many 1ft 10.5in sections would be needed to complete the 9ft 5.5in metal rod? and how many inches of material will be left?

Which of the following is not a subset of {1,2,3}?

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,