Explain how showing fractions with models and a number line are alike and different

If a || b and e || f , what if the value of y ?

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?

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.