Your answer is 7^(- 2) or

or
A = a+b/2 x h
Add sides a and b then divide by 2
After that multiply by the h
Angie will now have 100 stuffed animals
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It would be at 2. Here is why: -2 and 4 are 6 places away from each other. Now divide that by 3 (for the thirds). so each third is 2. Now thirds 2will be four, so add that to -2 and you get 2.