Ok to start you need to break this into a net in your head. Next, calculate each triangle
(6*7)/2 = 21
Then, multiply each triangle by the amount of them.
21*4 = 84
Next, get the area of the square.
7*7 = 49
Lastly, add the triangles and the square up.
49 + 84 = 133
He spent $52 on sandals. I got this by multiplying 65% by $80 and got $52.
In short answer $52
Slope: 
<u>Use the slope formula</u>
<u>Note</u>
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The Po and K is 64 because that is the population
