Properties of addition and subtraction in integers the number one is done for you number one is N

Column A Column B
1.-384+0=-384 T inverse property
2.73+(-)=-21 N identity property
3.(-56)+(37)=(37)+(-56) E Closure prop
4.(-126)+(126)=0 O Distributive prop
5.8(34-15)=8(34)-8(15) N Associate prop
6.[16+(-9)+(-11)=16+[(-9)+(11)] W Commutive

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

A.s.a.! this is a similarity in right triangles. next (solve for x)a.) 12b.) 5c.) 12.5d.) [tex] 6\sqrt{3} [/tex]

Which choice has the correct steps in graphing the solution set to the following inequality? -45_> 20x-5y