Write the ratio as a fraction in simplest form, with whole numbers in the numerator and denominator. 8 to 20

For which rational expression is -2 an excluded value of x?

What is the solution set of the quadratic inequality x^2-5< or equal to 0

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