ACTIVITY 1 A. Express each of these items using mathematical symbols. And identify whether it is an expression or an equation. (Note: Use variable x to represent a number.) Mathematical Symbol Expression or Equation 1. Eight times the sum of a number and 12 is less than 34. 2. Seventeen less than the quotient of a number and 9, 3. The square of a number and 20 4. The difference between half a number and 4 is 21. a 5. The quotient of 40 and the square of a number is 10. 6. Three times a number subtracted from 5 is equal to 37. 7. The square of the sum of two numbers increased by 9. 8. Twice a number decreased by 5 is equal to 18. 9. Half of the product of a number and 9 is divided by 7. 10. The sum of 3 consecutive odd integers is 25 more than the first number.​