Evaluate the integral.

A. tan-1   + C
B. sin-1   + C
C. sin-1   + C
D. tan-1   + C


Answer: C

Mathematics

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Translate the word statement into a percent proportion. Do not solve.30  is 11% of what number?

A.  = 
B.  = 
C.  = 
D.  = 

Mathematics

Express the data in the graph as ordered pairs, letting the first coordinate represent the year and the second coordinate the amount.Spring Vacation:The length of the average spring vacation is decreasing.

A. (5.7, 2003), (5.7, 2004), (5.4, 2005), (5.1, 2006), (4.5, 2007), (4.7, 2008) B. (2003, 5.7), (2004, 5.7), (2005, 5.4), (2006, 5.1), (2007, 4.7), (2008, 4.5) C. (2003, 5.7), (2004, 5.7), (2005, 5.1), (2006, 5.4), (2007, 4.7), (2008, 4.5) D. (5.7, 2003), (5.7, 2004), (5.4, 2005), (5.1, 2006), (4.7, 2007), (4.5, 2008)

Mathematics

Solve the problem.There are 22 more sophomores than juniors in an 8 AM algebra class. If there are 46 students in this class, find the number of sophomores and the number of juniors in the class.

A. 12 sophomores; 34 juniors B. 46 sophomores; 24 juniors C. 34 sophomores; 12 juniors D. 68 sophomores; 24 juniors

Mathematics

Evaluate using the order of operations.24 ÷ 12 (-3)

A. -1.5 B. -0.67 C. 2.67 D. -6

Mathematics