Perform the indicated operations.(x - 11y)(x - 4y)
A. x2 - 15xy + 44y2
B. x2 - 15xy - 15y2
C. x2 - 18xy + 44y2
D. x - 15xy + 44y
Answer: A
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Use the Laws of Exponents to simplify. Write the answer with positive exponents. All variables are nonzero.5 ? m-7 ? m-4 ? m0
A. 
B. - 
C. 0
D. 5m28
Find the missing number.
= 8
A. 40
B. 8
C. 320
D. 
Solve the problem.Coffee is best enjoyed at a temperature of 115°F. A restaurant owner wants to discover the temperature T at which he should serve his coffee so that it will have cooled to this ideal temperature in 5 minutes. He discovers that a cup of coffee served at 200°F cools to 180°F in one minute when his restaurant is at 67°F. If he maintains the restaurant temperature at 67°F, at what temperature should he serve the coffee to meet his goal?
A. 170°F B. 175°F C. 200°F D. 195°F
Write the statement in words and decide whether it is true or false.5 ? 2
What will be an ideal response?