6. help me out please ill mark you brainlist

What is the square root of 45? (step by step working plz)

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.

Each equation given below describes a parabola. which statement best compares their graphs? x = 2y^2 x = 8y^2