1. What number that is added to 8 gives a sum of 19? 2. What number subtracted from 25 gives a difference of 12? 3. If the difference of 21 and 9 is multiplied by the sum of 2 and 3, the res 4. Add the product of 5 and 4 to the difference of 15 and 12. The sum is 5. The quotient of 45 and 9 is 6. What is the product of 12 and 3? 7. Add the product of 14 and 3 to the product of 6 and 3. The sum is 8. (7 x 2) + 13 = 27 9. __-(3x6) = 51