Which expression do you get when you eliminate the negative exponents of 4a^2b^-2/16a^-3b

Airline passengers arrive randomly and independently at the passenger-screening facility at a major international airport. the mean arrival rate is 10 passengers per minutes. compute the following probabilities. p(x = 4) p(x > 11)

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

The graph of y x3 is translated so that the point (1. 1) is moved to (1, 4). what is the equation of the new graph?