maddy2maddy maddy2maddy 01-05-2020 Mathematics contestada 16. Determine if the following statements are always, sometimes, or never true a. When adding two negative rational numbers, the sum will be negative, b. When adding two rational numbers with different signs, the sum will be zero. c. When adding two positive rational numbers, the sum will be zero. d. When adding two rational numbers with different signs, the sum will be negative, Plz help