cassandraSponge

Cassandra Marrero

09.18.2008- Integers are negative and positive numbers as well as zero and whole numbers are the nonnegative integer.

09.22.2008- 21. -7+8=1+9=10 G 22. A

09.23.2008- 65. 4.78d+0d **4.78d** 66. -21p-76p²-9+p **-20p-76p²-9** 67. 3.3t²+8.7t-9.4t²+5t **-6.1t²+13.7t** 68. 1.5m-4.2m-12.5v+4.2m **1.5m-12.5v**

09.25.2008-  -pg.85(1-3,5-10) 1. **-1/9** 2. **-20** 3. **5** 5. 6(-15)=**-120** 6.** 1** 7. 32/-20= **-8/5** 8. **t=change of temp. ** 9. **8x+12** 10. **49t**

09.26.2008  -pg.91(1-4) 1. **no** 2. **no** 3. **no** 4. **no**

09.29.2008 -summarize associative property and commutative property in complete sentences and us examples
 * Commutative property says that you can change the order of a multiplication or addition problem and the answer will still be the same. a+b+c=b+a+c Associative property says that you can change where the parenthesis and the answer will also be the same in a multiplication or addition problem. a+(b+c)=(a+b)+c**

10.02.2008 -pg116(15-18) 1. **69/42= 32/27=23/14** 15. **16k²** 16. **13xy** 17. **2+2t** 18. **-4+12x**

10.03.2008 -pg119 (1-9) 1. **x=19** 2.**x=5.2** 3.**x=14** 4.**x=33** 5.**x=32** 6.**3=x** 7**.x=.2** 8.**x=-4** 9.**x=4 1/4**

10.6.2008 -pg.122(40-43) 40.**c=56** 41.**k=-7/3** 42.**10=p** 43.**y=30**