unit 2 lesson 9 expressions unit test answers
1. 10
2. step 3
3. (3⋅6+6⋅4)−30; Jane’s profit was $12.
4. 2a + 3b = 3b + 2a; Commutative Property
5. The additive inverse is 7/5; the multiplicative inverse is −5/7.
6. (p+0)⋅1+1/3⋅3
7. −9+9−w⋅1
8. 5+m−12
9. 1 , 1
10. 7 , 0 , 1/8 , 1
11. 12⋅t+6 and 12(t+1/2)
12. x+4+y and 4x+y
13. answer c (2 orange, 1 blue)
14. 8 , 10
15. write your own answer