A dolphin is at the surface of the water and then descends to a depth of 4 1/2 feet. Then the dolphin swims down another 2 3/4 feet. What is the location of the dolphin relative to the surface of the water?

Aband wants to create a cd of their last concert. to creat the cds, the cost will be $350 advertisement fee plus $3 per cd.write an inequality that represents how many cds they can buy with a maximum of $1225.solve the inequality