Answer:

Step-by-step explanation:

Answer: it’s C
Step-by-step explanation:
He would have to go up 18 meters and the integer would be -18 since he is going below sea level.
Answer:
4mn
Step-by-step explanation:
Step 1: Multiply constants together
2 · 2 = 4
Step 2: Multiply variables together
m · n = mn
Step 3: Combine
4mn
Answer:
All parallelograms are squares.
Step-by-step explanation: