Answer:
If it suppose to be |3+-19| then the answer is 16
Step-by-step explanation:
Slope: 
<u>Use the slope formula</u>

<u>Note</u>
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Answer:
The correct answer is : C
Step-by-step explanation:
To find the area of all of the figures, all you need to do is base x height or the length x width.
Your answers for 1-6 are all correct.
For 7-9, remember that the area is the length times the width.
7) length x width, 42 x 30=1260
8) 17 x 22= 374
9) Since the length and width are the same in a square just multiply the side by itself. 2.7 x 2.7= 7.29
Hope this helps.