Answer:

Step-by-step explanation:


(−3x)(y3)+7xy3+(−x)(y3)+(−3x)(y3) = 0
I think the answer to the questions is letter
C i could be wrong so sorry
Answer:

Step-by-step explanation:
Given

Required
Determine cost of 15

<em>The cost of 15 sweatshirts is calculated by multiplying the cost of 1 by 15.</em>
So, we have:

Open Brackets


<em>Hence, the simplified cost of 15 sweatshirts is</em>
