Which set of ordered pairs represents a function?

{ (2,-2), (1,5), (2, 2), (1, - 3), (8, - 1) }

{ (3, - 1), (7, 1), (-6, - 1), (9, 1), (2, - 1) }

{ (6, 8), (5,2), (-2, - 5), (1, - 3), (-2, 9) }

{ (-3, 1), (6, 3), (-3, 2), (-3, - 3), (1, - 1) }

Use the word unmistakable in a sentence

You're trying to determine what the temperature is outside. The thermometer says it's 24°C. You convert this temperature to 100°F. Which sentence best describes your temperature estimate? A. Your estimate is wrong, and it should be - 4°F. B.

6 - 3n = - 12 what is n?

An item is regularly priced at $75. It is on sale for 80% off the regular price. How much (in dollars) is discounted from the regular price?

Is 4.2:1.5 proportional to 12:5

Express the solution set of the equation in set notation. x - 2 = 10

What is 520% written as a fraction

What is the product of gcf and another sum of 48+14

18/30 reduce into fraction

A research article reports the results of a new drug test. The drug is to be used to decrease vision loss in people with Macular Degeneration. The article gives a p-value of. 04 in the analysis section.