Simplify.
? 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the curvature of the space curve.r(t) = (7 t sin t + 7 cos t)i + 7j + (7t cos t - 7 sin t)k
A. ? = 
B. ? = - 
C. ? = 7t
D. ? = 
Mathematics
A card is drawn from a standard deck of cards. Expressing your answer as a fraction in simplest form, what is the probability of getting the specified card?a 6
A. 
B. 
C. 
D. 
Mathematics
Identify and graph the polar equation.r = 5 + 6 cos ?
A. limacon with inner loop
B. limacon with dimple
C. limacon with dimple
D. limacon with inner loop
Mathematics
Determine if the two fractions are equivalent.
and 
A. equivalent B. not equivalent
Mathematics