Set up an integral for the length of the curve.x = 4 tan y, 0 ? y ? 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Write as a proportion.15 is to 18 as 2.5 is to 3.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics
Solve the problem. Round to the nearest tenth of a percent, if necessary.On a biology test, a student got 25 questions correct but did not pass. On a second attempt, the student got 30 questions correct. What was the percent of increase?
A. 5% B. 80% C. 16.7% D. 20%
Mathematics
Perform the indicated operations in the proper order.-2 - 32 - (-8)
A. 19 B. 15 C. -19 D. -3
Mathematics
Find an equation of a parabola satisfying the given conditions.Vertex (0, 0), focus (-6, 0)
A. y2 = -24x
B. y2 = - 
x
C. y2 = -6x
D. x2 = -24y
Mathematics