Solve the problem by integration.Find the length of the curve y = ln sin x from x = 
to x = 
.
A. ln 
B. ln 
C. ln 
D. ln 
Answer: C
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Let x represent one number and let y represent the other number. Use the given conditions to write a system of equations. Solve the system and find the numbers.Two numbers total 16, and their difference is 20. Find the two numbers.
A. 18 and - 2 B. 8 and - 12 C. 16 and 2 D. 9 and 7
Solve the problem.The radius of a sphere is given by the formula 
, where S is the surface area. If the surface area is 19,731 square inches, what is the radius? Use 3.14 for ?, and round your answer to the nearest tenth of an inch.
A. 0 inches B. 70.2 inches C. 124.5 inches D. 39.6 inches
Find the prime factorization of the number using a factor tree.108
A. 23 ? 32 B. 2 ? 35 C. 25 ? 3 D. 22 ? 33
Simplify the expression.8-2
A. -144
B. 
C. 
D. - 