**Answer:**

They have a y-value of 0. They are in Quadrant 1. They are not above or below the origin.

**Step-by-step explanation:**

**Answer:**

Move the decimal by one each time.

**Step-by-step explanation:**

**Answer:**

7x+1

9 1/16

**Step-by-step explanation:**

Answer depend on if

x = Variable or x = Multiply

If x = Variable then the answer = 7x +1

If x = Multiply then the answer = 9 1/16

[RevyBreeze]