Shanika purchased 5 nail polishes for $21.25. At this rate, how much would she pay for 1 bottle?​

Which of the following best describes the graph below? a. it is a function, but it is not one-to-one. b. it is a one-to-one function. c. it is not a function. d. it is a many-to-one function.

Given the diagram below, michael writes, "segment ac is congruent to segment ac." which of the following reasons allow him to write this statement?

20 ! brainliest ! add and simplify your answer.