Which expression represents this word phrase? The product of 3 &4

A. 3 × 4
B. 3 +4
C. 3/4
D. 7 - 4

Can someone me with this problem . show your work .

Factor the monomial completely 42a3b3

Zack notices that segment nm and segment pq are congruent in the image below: which step could him determine if δnmo ≅δpqr by sas? (5 points) segment mo ≅ segment qr segment on ≅ segment qp ∠ n ≅ ∠ r ∠ o ≅ ∠ q