Free points!! wanna talk rn

For each proportion find the unknown number x 1/5/8=×/15

The circle below is centered at the point (3, 1) and has a radius of length 2. what is the equation?

Lucy is a dress maker. she sews \dfrac47 7 4 ? of a dress in \dfrac34 4 3 ? hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable.