If sinA = -4/5 and cosB = 12/13, where A and B are both in Quadrant IV, what is tan(A-B)? A) -33/56

B) -33/16

C) 16/56

D) 56/33

6.3x+14 and 1.5x-6 answer in simplified form

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

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?