Answer:
Each shelf holds 30 inches of filling.
Step-by-step explanation:
Divide 180 inches of filling by the six shelves and you get 30 inches of filling per shelf
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A 20 bill A 10 Bill A 1Bill
x = 18
it is A
Step-by-step explanation:the red color is to subtract or negative value and the blue one is for addition or positive value
-x^2-2x+4 the first row
-(x^2+2x+1) for the second row or (-x^2-2x-1) is the same
put it together
-2x^2-4x+3
