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) }

A hyena can run 1/4 of a mile in 22.5 seconds. At this rate, which equation can be used to determine how fast a hyena runs in miles per hour? A. 1/4 miles over 22.5 seconds=40 miles per hour. B. 22.5 seconds over 1/4 mile=40 miles per hour. C.

What are the roots of x2 + 10x + 29 = 0?

3 is greater than or equal to x, and x is greater than or equal to - 2

What is x+x+40=180 in angles

Health Club Fees You are choosing between two health clubs. Club A offers membership for a fee of $ 7 plus a monthly fee of $ 24. Club B offers membership for a fee of $ 28 plus a monthly fee of $ 17.

Verona is solving the equation - 3 + 4x = 9. In order to isolate the variable term using the subtraction property of equality, which number should she subtract from both sides of the equation? - 4 - 3 3 4

What is the index of the following Radical Square root of Q

A display of pens has 8 hooks. Each hook can hold 3 packages of pens and there are 3 pens in each package. If the display is completely full how many pens does it hold

Consider the experiment: flip a coin, then roll a number cube

When 24 is divided by the positive integer n, the remainder is 4?