Answer:
Step-by-step explanation:
$ 6.18 is what each pen costs
Answer:
8j + 10
Step-by-step explanation:
Notice how the top is an addition of two cubes, namely x and 2.
You can rewrite the equation as:

Now, (a + b)³ can be simplified down to (a + b)(a² - ab + b²)
Following the same pattern, we get:

Answer:
Step-by-step explanation:
number one is 10
number two is (c) they have the same median