Answer: its B
Step-by-step explanation:
because the circle is open and its the greater than sign
Answer: -216
Step-by-step explanation:
To solve the exercise you must use the formula shown below:

Where:

You should find 
The formula to find it is:

Where d is the difference between two consecutive terms.

Then:

Substitute it into the first formula. Therefore, you obtain:

If it's most likely A. or B.
Correct me if I'm wrong.
But, I hope this helps!
Ok did your teacher say anything about not being able to use negative numbers or fractions? If not can you use fractions or negative numbers.
Some of the problems are in scientific notation, which if you don't know how to do, I will try to explain, when you see for example 1 x 10^3, what it is saying is basically 1 x 10 x 10 x 10 so in that case 1,000, simple trick is to look at what ever number is in the top right, then add that many zeroes. So this is most likely supposed to be a division problem. if you need more help message me.