468/8 * 5 mixed number, decimal and exact form for the ; )

Which of the following is missing in the explicit formula for the compound interest geometric sequence below?

The longer leg of a 30-60-90 trangle is 18

Pentagon abcde is dilated according to the rule do,3(x,y) to create the image pentagon a'b'c'd'e', which is shown on the graph. what are the coordinates of point a of the pre-image? a) (-1, 1)b) (-1, 2)c) (-9, 6)d) (-9, 18)