Answer:
Step-by-step explanation: -4+x
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w(-x+3)
Answer:
hello,
answer C
Step-by-step explanation:
area of the rectangle=2b*b=2b²
area of the half cercle= 
Area in blue= 2b²-πc²/8
Answer:
15.7
Step-by-step explanation:
Answer:
21
Step-by-step explanation: