What integer best represent 4 inches of erosion?

Umm.. just started this 2day and its not on my notes(p′︵‵。)

State whether weight is a function of height for the six students and explain. a. yes, height is a function of weight because two students weigh 165 pounds but have different heights. b. no, height is not a function of weight because two students weigh 165 pounds but have different heights. c. yes, weight is a function of height because for each value of height there is one corresponding value of weight. d. no, weight is not a function of height because there is not enough data to determine a function.

This graph shows which inequality? a ≤ –3 a > –3 a ≥ –3 a < –3