Which set of ordered pairs represents a function? {(7,4), (3,8), (-4, –4), (0,4)}
{(-8,0), (-5,6), (-8,1), (-6,5)}
{(-5,1), (3, – 7), (2, -4), (2,7)}
{(4,2), (4, -9), (+9, -6), (7,1)}

Use the net as an aid to compute the surface area of the triangular prism. a) 550 m2 b) 614 m2 c) 670 m2 d) 790 m2

Eric has challenged himself to walk 24,000 steps in 4 days. if eric walks the same number of steps each day, which function represents the number of steps eric still needs to walk to reach his goal with respect to the number of days since he started his challenge? a. y = 8,000x − 24,000 b. y = -8,000x + 24,000 c. y = 6,000x − 24,000 d. y = -6,000x + 24,000

Do,h = (7, 9) (14, 18) the scale factor is