Answer:
Hello!
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(2a-b)^2 -4(2a-b) -13 =

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Step-by-step explanation: All you have to do is Factor the polynomial.
Hope this helped you. Brainliest would be nice!
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No because, -3 repeated, numbers cannot repeat
Answer:
9 students
Step-by-step explanation:
because 15x 3 = 45 so 12x3= 36 so 45-36= 9 Can i be branliest
Answer:
60
Step-by-step explanation:
Answer:
$47.15
Step-by-step explanation:
22.55 divided by 11 is 2.05 so she made $2.05 on each shirt
2.05 x 23 is 47.15