Plz answer my question quick

Think about the properties of a square. Is a square also a rhombus? Is it also a rectangle? Answer each question and explain your answers. Write two to four sentences.

Fred has a total of 62 dvd and cd. if the number of cd is three more than two times the number of dvd, how many cd does he have?

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?