Solve for x using trigonometry

Given right triangle xyz, which correctly describes the locations of the sides in relation to

Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years

Question: a) does the given set of points represent a linear function? how do you know? b) assume that the point (-2,4) lies on the graph of a line. what y-values could complete this set of ordered pairs that lie on the same line: (- (hint: there are several correct answ