128.72 should be the right answer

**Answer:**

3/9

.......the answer is 3/9...........

**Answer:**

**Step-by-step explanation:**

15x-35x

25x is the answer

**Answer:**

b = 1.098

**Step-by-step explanation:**

Each year, the GDP is 9.8% higher than the year before, so the multiplier each year is 1 + 9.8% = 1.098. This is the value of b.

**b = 1.098**