No work , No credit 1. y=4x-16
Y=-4+8

2.y=2x+10
y= -8x

3.y=-7x-24
y=-4x+20

4.y=4x-8
y=-7x+14

5.2x-y=11
y=x-7

6.y=x+13
2x+7y=19

7.y= -3x-1
-6x-6y=18

8. y=-2x+20
-5x+4y=-24

9. y=3x+23
6x+6y= -6

10. y=2x-2
2x+3y=18

11. 5x-6y= -11
Y=-2x-1

12. 8x+4y=12
Y= -4x-1

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

If 7x=9y, y/z = 7/5 , then x/z = (a) 2/7 (b) 7/9 (c) 9/5 (d) 9/7 (e) 5/9

Hich polynomial correctly combines the like terms and expresses the given polynomial in standard form? 8mn5 – 2m6 + 5m2n4 – m3n3 + n6 – 4m6 + 9m2n4 – mn5 – 4m3n3