Triangle PQR has vertices P(-4,4), ((-4,-3), and R(3,-3). Which best describes triangle PQR?
A. an isosceles triangle with Segment PQ = Segment PR
B. an isosceles triangle with Segment PQ = QR
C. A right triangle with Segment PQ I Segment PR
D. A right triangle with Segment PQ I Segment QR

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.

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.