Mr. Jones wants to analyze the achievement of his sixth-grade classes on a quiz. The box plots represent the quiz scores of Mr. Jones' first, second, and third period classes.

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answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb

answer: they are supplementary angles

step-by-step explanation: 161+19=180. supplementary angles equal 180 degrees