Which expression does not equal circumference?
c/d
c/r+r
c/r

How to determine whether two known pairs of points are on the same line.

Mr.walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?

(a.s."similarity in right triangles"solve for xa.) 10b.) 20c.) 14.5d.) [tex] 6\sqrt{3} [/tex]