Graph the unit circle using parametric equations with your calculator set to radian mode. Use a scale of 
. Trace the circle to find the sine and cosine of 
to the nearest ten-thousandth.
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: B
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Factor the expression completely.867x2 - 432
A. (17x - 12)(51x + 12) B. (51x - 12)(17x + 12) C. 3(17x - 12)(17x + 12) D. (17x - 12)(17x + 12)
Use the ratio test to determine if the series converges or diverges.
A. Converges B. Diverges
Use implicit differentiation to find dy/dx.x3 + 3x2y + y3 = 8
A. - 
B. 
C. - 
D. 
Solve the problem.The Feldmans bought their first house for 
Over the years they moved three times into bigger and bigger houses. Now, 43 years later, they are ready to retire and want a smaller house like the first one they bought. If inflation in property values has averaged 
per year during that time, how much will such a house cost them now? (Round your answer to the nearest dollar.)
A. $70,612 B. $5010 C. $5112 D. $72,056