Rationalize the denominator and, if possible, simplify to form an equivalent expression.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Evaluate the iterated integral.
A. - 192 B. - 288 C. 192 D. 480
Mathematics
Find the first term a1 and the common difference d of the arithmetic sequence.
, 
, - 
, - 
, . . .
A. a1 = - 
, d = 
B. a1 = 
, d = 
C. a1 = 
, d = - 
D. a1 = - 
, d = - 
Mathematics
Evaluate the radical expressions or indicate that the root is not a real number.
A. -5 B. 625 C. 5 D. not a real number
Mathematics
Solve.0.1 is 5% of what number?
A. 20 B. 0.2 C. 2 D. 0.02
Mathematics