40 POINTS PLEASE HELP ASAP

Given the expression: 4x^10 − 64x^2

Part A: Rewrite the expression by factoring out the greatest common factor. (4 points)

Part B: Factor the entire expression completely. Show the steps of your work. (6 points)

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.

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

What are the measures of angles a, b, and c? show your work and explain your answers. 25 points