How can you use 5 x 198 in the distributive property

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

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.

Solve 2x − 1 = 11 for x using the change of base formula log base b of y equals log y over log b.