Answer:
I just took the test and it is municipal bonds.
Step-by-step explanation:
The answer is 50, just divide 10 and 2, you get 5 and multiply the 5 with the 10

Step-by-step explanation:
Given polynomials are:

Both polynomials have to be multiplied. We will use distributive property for the said purpose
So,

Combining alike terms

Hence,

Keywords: Polynomials, Multiplication
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51 = 3k. We can switch this around to 3k = 51 (because it's easier for me)
3k = 51.
We divide by 3 on both sides to just get "k".
3k / 3 = 51 / 3
k = 17.