Evaluate the expression, if possible.81-5/4
A. 243
B. 
C. - 
D. not a real number
Answer: B
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FInd the tangential and normal components of the acceleration.r(t) = (2t sin t + 2 cos t)i + (2t cos t - 2 sin t)j + 8k
A. a = 2T + 
N
B. a = 2T + 2tN
C. a = 2tN
D. a = 
N
Factor completely. If the polynomial is prime, state so.343x3 - y3
A. (7x - y)(49x2 + y2) B. (7x - y)(49x2 + 7xy + y2) C. (7x + y)(49x2 - 7xy + y2) D. (343x - y)(x2 + 7xy + y2)
A turkey is removed from the oven when its temperature reaches 175°F and is placed on a table in a room where the temperature is 70°F. After 10 minutes the temperature of the turkey is 160°F and after 20 minutes it is 150°F. Use a linear approximation to predict the temperature of the turkey after 40 minutes.
Select the correct answer. a. 160 b. 36 c. 134 d. 135 e. 130
Perform the conversion.997 centimeters = millimeters
A. 9970 B. 9.97 C. 99,700 D. 99.70