please show all work and calculations

22. Which of the following equals n? A) 1:n B) sqrt(n) Cnxn D) 1 23. Evaluate the following expression to the nearest whole number: 35 + 3 Answer: 24. Express 3.82 as a percentage. % Answer: 25. Express the following sum as a decimal to three significant figures: 1/8 + 11/12 = Answer: 26. Which of the following equals n'? A)1+n B) sqrt(n) C) nxn D) nun 27. Which of the following fractions is greatest? A) 2/4 B) 3/6 C) 3/5 D) 1/3 28. Evaluate the following expression to the nearest whole number: 51 - 52 Answer: 29. Express the following sum as a decimal to three significant figures: 7/8 +9/10 =