What is the absolute value of a number

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.

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

What is the answer to this question? i'm a bit stumped. also how do i do it? 5(x - 4) = 2(x + 5)