Answer: the answers are 10(x+15)+20(x+30) and 10x+150+20x+600 and 30x+750
Step-by-step explanation:
Need more info sorry hope you get a good grade
Answer:
The area of the shaded region is 
Step-by-step explanation:
we know that
The area of the shaded region is equal to the area of the rectangle minus the area of the circle
The rectangle is a square
so

we have


assume

substitute the values


Step-by-step explanation:
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Answer:
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Step-by-step explanation: