Wow... what grade are you even in to be getting a problem like that? that's a difficult one...
Answer:

Step-by-step explanation:
Answer:
6 square units
Step-by-step explanation:
Given shape is of a trapezoid:

Area of shape = area of square + area of triangle

Answer:
left lexis line drag ang the answer
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Answer:
492.99
Step-by-step explanation: x = amount invested at 12%
y = amount invested at 9%
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x + y = 20287
0.12x = 0.09y + 492.99
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put the system of linear equations into standard form
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x + y = 20287
0.12x - 0.09y = 492.99