PLS ANSWER Which is true about the graph of a function

a) Every y-value is unique
b) Every x-value is unique
c) Sometimes the x-value repeats

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

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 for x and y a x= 13.3 y= 16.7 b x= 23.3 y= 12.5 c x= 7.5 y= 16.7 d x=7.5 y= 12.5