How many solutions does the equation 3x+1.5=2.5x+4.7 have

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)

Abcd is a parallelogram. the diagram is not drawn to scale. if m

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?