Factor a negative number or a GCF with a negative coefficient from the polynomial.-5x6 + 15x5 - 5x3
A. -5x3(x3 - 3x2 + 1)
B. -5x3(x3 - 3x2 - 1)
C. -5x3(x3 - 3x2 + x)
D. -5x3(x3 - 3x2 - x)
Answer: A
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Fill in the blank.A fraction written as a percent is greater than 100% when the numerator is 
than the denominator.
A. greater B. less
Fill in the blank. Then write an addition problem with addends and the sum that describes the situation.A gain of $4 followed by a loss of $9 results in a 
.
A. loss of $13; -4 + (-9) = -13 B. loss of $5; 4 + (-9) = -5 C. gain of $13; 4 + 9 = 13 D. gain of $5; -4 + 9 = 5
Find A-1 without a calculator.A = 
A. A-1 = 
B. A-1 = 
C. A-1 = 
Solve the problem.Bubba's Computer World sells personal computers. To advertise its computers to target groups, they advertise with x one-minute spots on local television at a cost of $240 per minute, and y one-minute spots on radio, at a cost of $200 per minute. Research shows that they sell one computer for every 3 minutes of television advertising, and one computer for every 6 minutes of radio advertising. Suppose the company has at most $50,000 to spend on advertising and that they sell at least 50 computers per month from this advertising. Graph the possible combination of television and radio spots and find the vertices. 
A. 
B. 
C. 
D. 