If 8% sales tax is charged on the sale price, What is the total with tax?

Solve for x i'll try to attach the files bc it's not letting me for some reason

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.

What is the solution to the equation? k/6.4=8.7 2.3 5.568 15.1 55.68