Find the circumference and area of a circle having the given diameter or radius. Use 3.14 for ?. Round your results to the nearest tenth.r = 24.5 cm
A. C ? 153.9 cm, A ? 1884.8 cm2
B. C ? 153.9 cm, A ? 153.9 cm2
C. C ? 76.9 cm, A ? 307.7 cm2
D. C ? 76.9 cm, A ? 7539.1 cm2
Answer: A
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Solve the system using Gaussian elimination.
A. {(7, 6, 9)} B. {(7, 9, 6)} C. {(-7, 9, 14)} D. ?
Solve the problem.
A note is due in 8 years, with interest of 8% compounded semiannually. The face value of the note is $34,000. Find the maturity value of the note and find the minimum sale price of the note if money can be deposited at 6% compounded quarterly.
A. $116,482.05, $39,545.65 B. $63,681.32, $39,545.49 C. $46,674.71, $28,984.66 D. $63,681.36, $24,729.81
Verify the identity.cot(2?)= 
What will be an ideal response?
Perform the indicated operations. Express the answer as a single polynomial in standard form.(8y + 11)(2y2 - 2y - 6)
A. 16y3 - 16y2 - 48y + 11 B. 16y3 + 6y2 - 70y - 66 C. 38y2 - 38y - 114 D. 16y3 + 38y2 + 70y + 66