Find the mean.
19, 21, 18, 17, 18, 22, 46

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

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

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.