Multiply and simplify. Assume variables do not cause any denominators to equal 0.- 
? - 
A. 
B. 
C. - 
D. 
Answer: B
Mathematics
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Add or subtract by first simplifying each radical and then combining any like radical terms. Assume that all variables represent positive real numbers.
+ 10
- 4
A. 36
B. 32
C. 32
- 4
D. -72
Mathematics
Write the complex number in rectangular form.9(cos 180° + i sin 180°)
A. -9i B. 9i C. -9 D. 9
Mathematics
Solve the problem.Bob deposits $5000 at the end of each year into an annuity which earns 5% interest compounded annually. How much is the annuity worth after 
?
A. $34,009.56 B. $21,550.63 C. $27,628.16 D. $22,628.16
Mathematics
Find the indicated intersection or union.{q, s, u, v, w, x} ? ?
A. ? B. {q, s, u, v, w, x} C. {q, s, u, v, w} D. {q}
Mathematics