III. Circle the letter of the correct answer. Letter N is used as variable. 1. The difference of five and a number a a.) 5N b.) 5-N c. N-5 d. 5+N 2. The quotient of 38 times a number and -4 a.) 38N + 4 b.)38N + (-4) C.) 38N-4 d.) 1-152N 3. Negative thirteen decreased by 3 times a number a.) 13-3N b.) -13 - 3N c.) -13 + 3N d.) 13 + 3N 4.The sum of -9 and a number a.)-9-N b.)-9+N c. 9 + N d.) -9N 5. Eleven subtracted from a number a.) 11-N b.) 11N - 11 c.) N11 d.) N-11​