I need help with number 10 please I’m so confused on how to do it!

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.

The tile along the edge of a triangular community pool needs to be replaced? ?

Find the distance between c and d on the number line c=3 and d=11