5x+y-8=0 and -3y+7x+2=0 solve each system of equations using substitution method

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 most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u

If square root x = -7, then x= -49 true or false