What is the solution to the system of equations below?
(9, –36)
(9, 0)
(–9, 18)
(–9, –42)

1. are the triangles similar and if so why? what is the value of x? show your work.

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.

Which of the following is true for the relation f(x)=2x^2+1