A submarine is at a depth of 300 meters below sea level. It rises 120 meters, descends 50 meter and then rises another 80 meters. Where is the submarine now relative to sea level? (Hint: Represent the movements using integers.)

If you have 12 inches, how many feet do you have?

b) In the following list, there are two false statements and one true statement. Wh is true? i. Every integer is a natural number. ii. Every natural number is a whole number. iii. There are no decimals in the whole numbers.

2. Max made 39 snowballs. Lucy made 35 more snowballs than Max. How many snowballs do Max and Lucy have altogether?

\begin{tabular}{l}\( 18 \times 6=6 \times 18 \) \\ \hline Select the correct answer below: \\ \hline Associative \\ \hline Commutative \\ Inverse \\ Identity \\ Distributive \\ \hline\end{tabular}

4. The population of a city is 67,721 and the neighboring city has a population of 52,103 . The difference between two cities is