Which of the following relations is a function?

{ (5, - 7), (4, 6), (-3, 8), (5, 9) }

{ (8, - 4), (-4, 8), (-4, - 8), (-8, 4) }

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

{ (9, - 1), (-1, 9), (9, 2), (2, - 1) }

What is the sum of the interior angles of a convex nonagon? 1620° 1800° 1260° 3240°

What is the equation of the line with m = 3 and b = 8.25? a. y = 3x - 8.25 b. y = 3x 8.25 c. y = 3x 8.25 d. y = 3x 8.25

Which expression gives the same value as 3 + 5 (x + 2) - 4 when you substitute x = 3 and x = 4?

293,671 in word from

Akira and Jen are competing to see who can sell the most tickets for the Winter Dance. On Monday, Akira sold 22 and then sold 30 per day after that. Jen sold 53 on Monday and then sold 20 per day after that.

A glider flies8 miles south from the airport and than 15 miles east. Than it flies in a straight line back to the airport. What was the distance of the gliders last leg back to the airport?

A store has 30 boxes of melon each box has 4 bags each bag holde 2 melons what is the total number of melon in the store?

Two times the number of Windows

Simplify the expression below. -5 (2x - 1) + 3x

Are all cubes congruent