Choose the equation that could be used to solve this problem.

Anna needs to save $85 for a yoga class. She has already saved $42. How much more does Anna need to save?

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

What is the value of f(x) = 2.2 for f(-2)?

What number line represents the solution set for the inequality -1/2 greater than or equal to 4