Factor the difference of two squares.x4 - 1
A. (x2 - 1)(x2 - 1)
B. (x2 + 1)(x + 1)(x - 1)
C. (x2 + 1)(x2 + 1)
D. prime
Answer: B
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Solve the problem.Jeff earns $497 per day. If his salary is raised by 8%, how much will he make per day?
A. $536.76 B. $541.73 C. $531.79 D. $894.60
The Ross-Simons Company has a monthly advertising budget of $20,000. Their marketing department estimates that if they spend x dollars on newspaper advertising and y dollars on television advertising, then the monthly sales will be given by
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dollars. Determine how much money Ross-Simons should spend on newspaper ads and on television ads each month to maximize its monthly sales.
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A. $15,000 on newspaper advertisements and $5,000 on television advertisements B. $13,000 on newspaper advertisements and $3,000 on television advertisements C. $18,000 on newspaper advertisements and $8,000 on television advertisements D. $16,000 on newspaper advertisements and $6,000 on television advertisements
Solve by using the square root property.3x2 = 45
A. x = ±15
B. x = ±
C. x = 22.5
D. x = 16
Solve.The price of a stock rose 2 points, fell 11 points, and again fell 13 points. What was the stock's total change?
A. 26 points B. -22 points C. 4 points D. -26 points