State the axiom in algebra that justifies each statement. 1. 10 + (25 + 12) = (10 + 25) + 12
2. 20 × 43 = 43 × 20
3. 7(4 + 8) = 7 × 4 + 7 × 8
4. 62 = 62
5. If x = y and y = z, then x = z

6. a(bc) = (ab)c
7. 9 × 1 = 9
8. 15 + 0 = 15
9. 2a + b = b +2a
10.If 3x = 9, then x = 3

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.

Which of these would have been most likely to have been a carpetbagger during the reconstruction era? a) a new york businessman who relocated to mississippi b) a former slave who was able to buy land in birmingham c) a carolina-born politician who supported the democratic d) a former confederate officer who owned a farm in memphis eliminate

Roy has 4 1/2 pizzas for the soccer team to split after the game. if each member is going to get 1/2 of a pizza, how many players are on the soccer team