What is 112 / 100 tell me asap

Answer the questions in the attachment. a rescue helicopter is at point a and a rescue boat is at point e. the helicopter pilot spots boats in distress at points d and c,with angles as marked in the diagram. figure abce is a rectangle. the altitude of the rescue helicopter, represented by ae, is 5000 feet.

The price of a car has been reduced from $19,000 to $11,590. what is the percentage decrease of the price of the car?

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cos of 61.6