Ruth took ten nickels from her coin jar and put them in her pocket. Only one of the nickels is dated 2006. When she reaches into her pocket for a nickel, what is the probability that she will pull out the 2006 nickel?

A.
1
2

B.
1
5

C.
1
10

D.
1
20

Cos^2x+cos^2(120°+x)+cos^2(120°-x)i need this asap. pls me

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)

Robert plans to make a box-and-whisker plot of the following set of data. 27, 14, 46, 38, 32, 18, 21 find the lower quartile, the median, and the upper quartile of the set? lower quartile: 19.5; median: 29.5; upper quartile: 42 lower quartile: 14; median: 27; upper quartile: 46 lower quartile: 18; median: 27; upper quartile: 38 lower quartile: 16; median: 29.5; upper quartile: 42