**Answer:**

1

**Step-by-step explanation:**

6=3+3p

6-3=3p

3=3p

3/3=p

1=p

**Answer:**

slope= -

**Step-by-step explanation:**

-5--4=-1

6--4=10

I prefer D.

It's clear that Kevin took (1/4)x.

Keith took (1/4)x -> kevin's amount

* 2 -> twice.

-1 -> 1 less.

So Kevin + Keith = (1/4)x + (1/4)x * 2 - 1 = (3/4)x - 1.

For each power of ten , the number of zeros written in the product is the same as the number of exponents.

I think that You add all the ages and then divide by how many people you have so

100:10 = 10 is the mean age I guess?