Is 2.25 a repeating decimal ?

Which is an equation for the nth terms of the sequence 12,15,18,21

The vertices of a rectangle are given in the columns of the matrix . if is found to perform a transformation, what are the coordinates of the transformed rectangle? (0, 0), (0, –3), (–3, –3), (–3, 0) (0, 0), (0, 3), (3, 3), (3, 0) (0, 0), (0, 3), (–3, –3), (–3, 0) (0, 0), (0, 3), (–3, 3), (–3, 0)

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