Rick Mendez bought stock for $5,000, using $2,500 of his own money and $2,500 borrowed from the broker. One month later, the stock is sold for $5,650. Interest owed to the broker is $30; brokerage commissions to buy and sell the stock totaled $300. Rates of return: %

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?

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

Adolphin is swimming with her friend. the dolphin jumps to a height of 4.54.54, point, 5 meters above the surface of the water as her friend swims 9.89.89, point, 8 meters directly below her. what is the position of the dolphin's friend relative to the surface of the water? meters