Z varies directly with x and y. when x=3, y=4, z=-120. what is the answer for k? BRAINLIEST TO CORRECT ANSWER!!

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.

On a piece of paper, graph y< x+1. then determine which answer matches the graph you drew.

What expression is equivalent to 42x-56y