3-12 Predict molecular polarity

3-12-1. Which of the following is/are true?

1) A nonpolar molecule can have polar bonds.
2) A molecule with no polar bonds is nonpolar.

A. 1 only
B. 2 only
C. both
D. neither

3-12-2. Which of the following molecules is polar?
A. H₂O
B. BF₃
C. CH₄
D. PF₅