a bag contains of 20 marbles in witch 4 are red, what is the probibility of pulling a red marble out of the bag? ( need simplifyed awnser )

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.

What is the difference between the predicted value and the actual value

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827