Factor.x4 - 14x2 + 49
A. (x2 - 7)2
B. (x2 + 7)2
C. (x2 - 7)(x2 + 7)
D. (x2 - 14)(x2 + 14)
Answer: A
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Find the exact value of the trigonometric expression without the use of a calculator.cos 75°
A. 
B. -
(
- 1)
C. - 
D. -
(
+ 1)
Solve the problem.Deborah is considering a job that offers a monthly starting salary of $2000 and guarantees her a monthly raise of $150 during her first year on the job. Find her monthly salary at the end of her first year.
A. $3800 B. $3650 C. $3500 D. $2150
Solve.The manager of a coffee shop has one type of coffee that sells for $6 per pound and another type that sells for $12 per pound. The manager wishes to mix 40 pounds of the $12 coffee to get a mixture that will sell for $7 per pound. How many pounds of the $6 coffee should be used?
A. 100 pounds B. 200 pounds C. 240 pounds D. 120 pounds
Add the polynomials. Assume all variable exponents represent whole numbers.(-9x7 + 18x6 - 13) + (3x7 + 16x6 - 9)
A. -6x7 + 34x6 - 22 B. -6x7 + 34x6 + 4 C. -6x7 + 25x6 + 4 D. 6x13