PLEASE HELP ME I NEED IT FAST Which set of ordered pairs represents a function?
O {(3,6), (3, 1), (9,0), (2, 2)}
O {(2,-5), (-3,6),(-1,-8),(-3,-4)}
O {(4, - 7),(-2,-1),(-7,4), (9, -1)}
O {(3,8),(-2, -9), (1, 4), (1,9)}

Danielle has $127.02 in her account before making any transactions. over the course of a week, danielle makes the following transactions: transaction debit ($) credit ($) birthday check 75.00 night out 66.14 garage sale proceeds 121.58 charitable donation 42.25 doctor’s appointment 115.30 at the end of the week, how much money is in danielle’s account? a. $99.91 b. $27.11 c. $184.41 d. $142.16 select the best answer from the choices provided a b c d

Use the formulas a = x 2 – y 2, b = 2xy, c = x 2 + y 2 to answer this question. one leg of a right triangle has length 11 and all sides are whole numbers. find the lengths of the other two sides. the other leg = a0 and the hypotenuse = a1

Julie buys 2kg of apples and 7kg of pears ? 12.70. the pears cost ? 1.30 per kilogram what is the price per kilogram of the apples? show your working out