HELP PLEASE! and please give out good answers. What is the best measure of center to use to summarize the data set?

1. Median
2. Mode
3. Range
4. Mean

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)

Of jk j(–25, 10) k(5, –20). is y- of l, jk a 7: 3 ? a. –16 b.–11 c. –4 d.–1

Which graph or graphs appear to show a sinusoid? < me asap !