Explanation:
1. true
5 is a constant (term).
2. false
7y is not a coefficient. 7 is the coefficient for that y-term.
3. true
7y + 2x + 5 is the sum of 3 terms.
4. false
7y is not a factor. it would have to be multiplied to something else to be a factor for that something else.
5. false
they would be like terms, if both were constants, or both contained y.
6. false