Answer: 100
Step-by-step explanation: Formula for area of the parallelogram: <em>base times height</em>
8 1/3 x 12 = 100
100 is the answer
Step-by-step explanation:

The bottoms are all multiples of seven
The r-value, or common ratio, can be calculated by dividing any two consecutive terms in a geometric sequence.
The next number in the sequence is 34. as you add the previous two numbers to get the next.