I hope this helps you ......
Step-by-step explanation:
Area of shaded region = area of exterior rectangle - area of interior rectangle

Answer:
D. $11,800 Dave's net worth
i'm not sure how to solve the first one but the second is 150
Answer:
503
Step-by-step explanation:
For an arithmetic sequence, the n-th term is found by

To find
(the common difference) we can simply subtract one of the terms by the last, for example:

The common difference must be the same throughout the entire sequence, so we can do it once more just to be sure:

We also have to know that
stands for the first term of the sequence, which in this case is 311.
Now that we know this, let's find the 32nd term

Good luck!