Which of the ordered pairs is not a function?

(1) { (0,9), (9,0), (1,2), (3,4) }

(2) { (0,1), (-1,0), (1,2), (3,2) }

(3) { (2,3), (3,4), (4,5), (5,6) }

(4) { (2,3), (2,4), (4,5), (4,6) }

jeremy paid 25.60 for 4 boxes of chocolates this can be expressed using the equation y=kx how much would it have cost jeremy if he bought 10 boxes?

sales for pens were up this year. this year the store sold 25 thousand blue pens and 4 hundred red pens, which is 10 times as many total pens as last year. How many pens did the store sell last year

What is the degree of the polynomials w3-2w+w-5

Which of the following is an example of the law of syllogism? A. If a plant is bamboo, then it is a grass. If a plant is a grass, then it is a graminoid. A plant is a graminoid. Therefore, the plant is bamboo. B.

Megan hiked 15.12 miles in 6.3 hours. If Megan hiked the same number of miles each hour, how many miles did she hike each hour?

Solve the equation -7x-3x+2=-8x-8

It took Demitri 90 minutes to dowmoad 4 movies. If each movie takes the same amount of time, t to download, write an equation you could solve to find the time it takes to download each movie.

What do you call equations with two equations in different parentheses?

A hot air balloon descends at a rate of 320 feet per minute for 3 minutes. Use integers to calculate and represent the balloon's total change in altitude

Work out the value of 3x + 2y then x = 5 and y = 4