Line BC has an equation of a line y = 2x + 3, and line EF has an equation of a line y = negative one over 2x + 4. These two equations represent (5 points) Question 3 options:

1)

parallel lines because the slopes of the lines are equal

2)

perpendicular lines because the slopes are opposite reciprocals

3)

the same line when graphed

4)

lines that intersect, but not at a right angle

Find the greatest common factor of the polynomial: 10x^5+15x^4-25x^3 10x^5 x^3 5x^3 5

Four airplanes carrying a total of 400 passengersarrive at the detroit airport. the airplanes carry, respectively,50, 80, 110, and 160 passengers.a) one of the 400 passengers is selected uniformly at random.let x denote the number of passengers that were on theairplane carrying the randomly selected passenger. find var(x)for x as given in the problemb) one of the 4 airplane drivers is also selected uniformly atrandom. let y denote the number of passengers on the chosen driver’s airplane. find var(y) for y as given in the problem

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?