Find X and Y, geometry problem.

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

Combine like terms to make a simpler expression 3z+z

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart