Indicate which property is illustrated in Step 2. Step 1 6x + 3 + 7x + 4 = (6x + 3) + (7x + 4)
Step 2 = 6x + (3 + 7x) + 4
Step 3 = 6x + (7x + 3) + 4
Step 4 = (6x + 7x) + (3 + 4)
Step 5 = (6 + 7)x + (3 + 4)
Step 6 = 13x + 7

A.
distributive
B.
associative
C.
commutative
D.
arithmetic fact

!! 10 ! a westbound jet leaves central airport traveling 635 miles per hour. at the same time, an eastbound plane departs at 325 miles per hour. in how many hours will the planes be 1900 miles apart?

Ineed with number 6 , explain how to get 1978

Do more republicans (group a) than democrats (group b) favor a bill to make it easier for someone to own a firearm? two hundred republicans and two hundred democrats were asked if they favored a bill that made it easier for someone to own a firearm. how would we write the alternative hypothesis?