Answer:
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Step-by-step explanation:

Write -13x as a difference

Factor out x from the expression

Factor out -10 from the expression

Factor out x-3 from the expression

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We are given here the individual costs of DVD and CD as well as the total sales and the number of items sold on one day. To solve the number of DVDs and CDs sold each, we devise two independent linear equations:
(1) x + y = 39
(2) 4x + 7y = 204
x- number of DVDs; y - number of CDs
solving, x= 23 DVDs
y = 16 CDs
Answer:
D!
Step-by-step explanation:
The correct answer is A. Sandra ran a faster time.
7.06 is less than 7.60
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