Consecutive angles in a parallelogram are

What is the area of triangle abc if a = 8, b = 11, and c = 15?

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.

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)