Provide an appropriate response.Use the FOIL method to show that (8x + 16)(x - 9) is 8x2 - 56x - 144. If you were asked to completely factor 8x2 - 56x - 144, why would it be incorrect to give (8x + 16)(x - 9) as your answer?
What will be an ideal response?
The factor of 8 should be factored out.
Mathematics
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The scores on a 30-point multiple-choice exam are given in the following frequency table:
The interquartile range on the exam is
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Solve the equation.-6.4m - 1.9 + 0.2m = -2.1 - 6.2m + 0.2
A. 0 B. 0.2 C. all real numbers D. no solution
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Find the phase shift of the function.y = cos 
A. - 
B. 
C. 2?
D. 1
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Solve the problem.Anne and Nancy use a metal alloy that is 16% copper to make jewelry. How many ounces of an alloy that is 10% copper must be mixed with an alloy that is 20% copper to form 55 ounces of the desired alloy?
A. 38 ounces B. 33 ounces C. 22 ounces D. 24 ounces
Mathematics