Hello,
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Answer B
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2x²+28x-5=2(x²+2*7x+49)-5-2*48
=2(x+7)²-103
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The answer should be (6,6), you can plug 6 in for both x and y in order to solve the function.
y=12-x
(6)= 12 - (6)
6=6
Answer:if you looked at hem like they were rows, in the first row the third one would be an expression. In the second row, the second one would be an expression. This is becuase they both have an equal sign.
132.651 cm bc you do 5.1 x 5.1 x5. 1 and you will get 132.651 cm.
volume=l x w x h
