Evaluate the expression 7x2y, when x = 5 and y = 3. 210 315 525 728

Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?

New york is the 27th largest state in the united states. what percent of the 50 states in the us are larger than new york

Each unit cost 14p, how much would 942 units cost?