Graph.y2 - 9x2 = 9
A. 
B. 
C. 
D. 
Answer: C
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Calculate the arc length of the indicated portion of the curve r(t).r(t) = (3 + 2t2)i + (2t2 - 2)j + (5 - t2)k, 1 ? t ? 2
A. 27 B. 9 C. 45 D. 15
Solve. Simplify the answer.Barat walked 
mile to his biology class, 
mile to his art class, 
mile to his calculus class, and then back to his dormitory. If he walked 1 mile altogether, how far did he walk from his calculus class to his dormitory?
A. 
mi
B. 
mi
C. 
mi
D. 
mi
Solve the problem. Round your answer to 5 decimal places when necessary.The table shows the leading causes of death for one country in a single recent year. 
Assume a population of 92.5 million.What is the empirical probability of death by accident during a single year?
A. 0.45 B. 0.0049 C. 0.000049 D. 0.00049
Classify as true or false.For all natural numbers a and b, GCD(a, b)
.
A. True B. False