**Answer:**

80% is equivalent to 80/100 which is the same as** 0.8** and we can just take a number, for example 10, and we can multiply it by 0.8 and we would get 8 which is 80% of the original value.

Polynomial of degree 2 are those polynomials with highest power of two, from our choices, the polynomials of degree two are:

10x^2-x^(1/2)

6x^2-6x+5

The rest of the choices are polynomials of degree 3.

**Answer****:**

Step-by-step explanation:

Use the Distance Formula:

Since we are talking about distance, we ONLY want the NON-NEGATIVE root.

I am joyous to assist you anytime.

**Answer: 2/8**

**Step-by-step explanation:**

The probability that the marbles are white or grey is 2/8 because since there is 2 marbles and the total is 8 so you have a probability of 25% to get white or gray