Answer:

Step-by-step explanation:
Remember when you divide fractions, you need to get the reciprocal of the divisor and multiply. So your first simplification would be:

Next we factor what we can so we can further simplify the rest of the equation:

We can now cancel out (x+2)

Next we factor out even more:

We cancel out x-4 and reduce the 3 and 6 into simpler terms:

And we can now simplify it to:

Answer:
A
Step-by-step explanation:
56-70+70-21
126-91
35
Answer:
53lbs.
Step-by-step explanation:
If Kevin bought 3 20lbs. Bags of gravel he would have 60 lbs. of gravel. In the end he has 7 lbs. of gravel left he used 53 pounds.
Equations:
7+x=60 or 60-7=53 lbs.
-12.6 as a percent is -1260%
Answer:
18 bags
Step-by-step explanation:
We need to find the greatest common factor
Break each number into its prime components
54 = 9*6 = 3*3*3*2
36 = 6*6 = 3*2*3*3
Find the common terms
3*3*2
18
The greatest common factor is 18
She can make 18 bags
It will contain 3 stickers and 2 pencils