Answer:

Step-by-step explanation:
We want to simplify:

This is the same as:

Now let us convert the mixed numbers to improper fractions.

We multiply by the reciprocal of the second fraction to get:

Cancel out the common factors to obtain:

9 1/2 * 15.15 = $143.925 dollar
-2n2 • (4n - 1). Hope this helped
Answer:
my answers are
Step-by-step explanation: A,C so correct me if i'm wrong
Answer:
add more detail then i can answer
Step-by-step explanation: