Evaluate the integral.
dx
A. 
B. 
C. 
D. 15
Answer: C
Mathematics
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Write the Hindu-Arabic numeral as a Roman numeral.4758
A. MMMMDCCLVIII
B. IVDCCLVIII
C. 
DCCLVIII
D. 
DCCLVIII
Mathematics
Solve the equation.-6.15 + x = -5.67
A. -11.82 B. 11.82 C. 34.871 D. 0.48
Mathematics
Add or subtract as indicated.(-2r4 + 9r3 - 3r) - (8r4 - 9r3 + 6r2 - 2r)
A. -6r4 - 6r2 + r B. 6r4 + 6r2 - r C. -10r4 + 18r3 - 6r2 - r D. 10r4 - 18r3 + 6r2 + r
Mathematics
Use the product-to-sum identities to rewrite the expression as the sum or difference of two functions.sin 4? cos 5?
A. 
sin 9? - 
sin ?
B. sin (cos 20?2)
C. 
cos 9? - 
cos ?
D. 
cos 9? + 
sin ?
Mathematics