A circular mirror has a circumference of 50 pi inches. What is the radius of the mirror? Show your work.

What is the length of the segment joining the points at (4,5) and (6,-2) round to the nearest tenth if necessary

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

How many of the 250 grandparents in the population would you expect to prefer online shopping with merchant a? merchant a: 4 merchant b: 6 merchant c: 2 merchant d: 3 other: 5 none: 5 answer choices: a.about 4 b.about 8 c.about 40 d.about 21