Which system matches the graph below? y = -4 x and y = 2 x - 3 y = -4 x and y = 2 x + 3 y = 4 x and y = 2 x - 3 y = -4 -x and y = 2 x - 3

Samantha swam upstream for some distance in one hour. she then swam downstream the same river for the same distance in only 12 minutes. if the river flows at 4 mph, how fast can samantha swim in still water?

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 is different from the first one can someone me