Juan used algebraic properties to make an equivalent expression. He listed properties in the order that he used them.

15+7n-8+3n
=7n+3n+15-8
=(7+3)n+15-8
=10n+7

12n+2 (4n+2)
= 12n+8n+4
=(12n+8)n+9
=20n+9

15n+(7n+9)
=(15n+7n)+9
=(15+7)n+9
=22n+9

12n+6+7n
=(12n+7n)+6
=(12n+7)n+6
=19n+6

The map shows the location of the airport and a warehouse in a city. though not displayed on the map, there is also a factory 112 miles due north of the warehouse.a truck traveled from the warehouse to the airport and then to the factory. what is the total number of miles the truck traveled?

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83

70 points ! pls 2. given the following two sets of data what is the union of the two sets and what is the intersection of the two sets. set a = {1, 2, 3, 4, 5, 6, 7, 8, 9} set b = {2, 4, 6, 8, 10, 12, 14} 3. given a regular deck of cards. describe a way of pulling cards that would create a dependent event and then one that would create an independent event. 4. what is the probability of drawing a red card and then drawing a spade without replacing the card that was drawn first?