The answer is 5. The two numbers are 5 and 4
5 x 4 = 20
5 - 4 = 1
The answer to your question is : C. the invasion of Belgium
Answer:

Step-by-step explanation:
We need to find h for the following condition.
2,000×h = 0.004
Dividing both sides by 2000

So, the value of h is equal to
.
The problem indicates that A represents the number of tablet computers sold in millions. So, if 65 million were sold, we must substitute A = 65 to the equation. Then, we find for t.
65 = 4.5t² +43.5t + 17
Solving for t using a calculator,
t = 1 and -10.67
Let's take the positive root. So, t=1.
That means the year would be 1 year after 2010. <em>Therefore, the answer is 2011.</em>