I would say the answer is **A) missing data** because they have lost 8 of the original participants in the study.

**Answer:**

Hope that helps

**Step-by-step explanation:**

**b)**** ****two ****pairs ****that ****are ****solutions**

**x>=-4**

**x>=-4x<****=****1**

**-****4****<****=****x<****=****1**

two pairs that are not solutions

-18<x<-13

**Answer:**

**Explanation: **... To find the product of a binomial and a trinomial, multiply out the brackets: ... Simplify. \[{\left(x - 1\right)\left({x}^{2} - 2x + 1\right)} = {x}^{3} - 3{x}^{2} + 3x - 1\] ... \begin{align*} (-2y^{2} - 4y + 11)(5y - 12) & = -10y^{3} - 20y^{2} + 55y + 24y^{2} + 48y ...

**Answer:**

Europeans were so afraid of the Vikings because they raided/ took over parts of their land in Western Europe.