If a target has a outer ring with a radius of 12 cm and a bullseye with a radius of 3 cm, what is the probability of hitting the bullseye?

2men and 7 boys can do a piece of working 4 days.it is done by 4 men and 4 boys in 3 days how long would it take for 1man or one boy to do it alone

Find the value of 1715⋅211.though these numbers aren't quite as nice as the ones from the example or the previous part, the procedure is the same, so this is really no more difficult. give the numerator followed by the denominator, separated by a comma.

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle