8. For two events the following probabilities are true: P(A) = .64, P(B) = .50 If A and B are independent events find the P (A and B).

4. find the geometric mean of 4 and 12. 24 8

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.

For what value of (y) is 3^3/3^y =1/9