Answer:

Step-by-step explanation:
If you expand an equation you get its equivalent expression
Answer:
-19ab + 2ab^2 +7
Step-by-step explanation:
all you do is combine the like terms. and the omly like terms are -10ab and -9ab. 2ab^2 is not one of the like terms simply because of that ^2.
Answer: 45/8 or 5 5/8
Step-by-step explanation:
9 5 = 45
1 8 = 8
45/8=5 and 5/8
The answer is A. It is not B because 9 is the product of 3 x 3. It can't be C because 1 is only the product of 1 x 1.