Graph the parametric equations.x = 3 sin 2t, y = 3 cos t; 0 ? t ? 2?
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find the conjugate of each complex number.-3j
A. -3 B. 3j C. No conjugate. D. 3
Mathematics
Identify the number as prime or composite.42
A. Composite B. Prime
Mathematics
Solve the problem.How much pure acid should be mixed with 9 gallons of a 50% acid solution in order to get an 80% acid solution?
A. 4.5 gal B. 22.5 gal C. 13.5 gal D. 36 gal
Mathematics
Write the partial fraction decomposition of the rational expression.
A. 
- 
+ 
- 
B. 
- 
- 
+ 
- 
C. 
+ 
+ 
- 
+ 
D. 
- 
+ 
- 
Mathematics