Answer: 
Step-by-step explanation:
For this exercise it is important to remember:
- The Distributive property:

- The multiplication of signs:

Then, given the following expression:

You need to apply the Distributive property. Then:

Now you can combine like terms (or add the like terms). Then you get:

Therefore, the equivalent expression created by combining like terms, is:

Answer:
The slope of the line is 3.
Step-by-step explanation:
Remember:

Answer:
= h^-6
Step-by-step explanation:
When dividing powers you subtract them (indices rules)
--> -2 - 4 = -6
Hope this helps, please mark as brainliest
Answer:
b........................................
Step-by-step explanation:
Answer:
2 : 1
Step-by-step explanation:
Since the triangles are similar then the ratios of corresponding sides are equal, that is
AC : DF = 8 : 4 = 2 : 1