Solve for x
20+.10x=50+.04x

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)

What is the missing constant term in the perfect square that starts with x^2 -20x

Place the following steps in order to complete the square and solve the quadratic equation,