Which set of ordered pairs represents a function?

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

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

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

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

Ron and kathy are ticket sellers at their class play. ron handles student tickets that sell for $2.00 each, and kathy handles adult tickets that sell for $4.50 each. if their total income for 364 tickets was $1,175.50, how many tickets did ron sell?

If one pound is the same weight as 16 ounces, how many ounces equal 3.5 pounds? (only input whole numbers.)

D + 9 = 29 A) 38 B) 21 C) 19 D) 20

Find the product. Simplify your answer. -5 (-25? + 2)

Simplify the expression (3 + 7i) (3 - 7i). A. 40 B. 58 C. 9 - 21i D. 9 + 21i

Greatest common factor of 8x and 40?

A small factory can produce 245 sofas each day or 315 overstuffed chairs per day. the workers produced 8,820 pieces of furniture to fill an order. if they built sofas for 18 days, how many days of production were needed to build the chairs?

At the beginning of mathematics class, Mrs. Reno gives a warm-up problem. She says, "I am think of a number such that 6 less than the product of 7 and this number is 85." Which number is she thinking of?

Louise is baking cakes to raise money for her track team. The total cost of all of the ingredients for her cakes is $62 She will sell each cake for $10 Write an equation that describes the relationship between the number of cakes Cindy sells, 2, and

Interest earned $70 at 3% for 12 years