Which undefined term is Which is the definition of a ray?used to define an angle?

What is the first quartile of this data set? 10, 11, 12, 15, 17, 19, 22, 24, 29, 33, 38 a. 12 b. 19 c. 29 d. 10

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 is he correct? explain why or why not?