Rationalize the denominator. Assume that all variables represent positive real numbers and that the denominator is not zero.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Use counting to determine the whole number that corresponds to the cardinality of the set.A = {x?x is a second in a minute}
A. n(A) = 120 B. n(A) = 30 C. n(A) = 60 D. Infinite
Mathematics
Find the product and write the result in standard form.(8 + 6i)(6 - 7i)
A. -42i2 - 20i + 48 B. 90 + 20i C. 90 - 20i D. 6 + 92i
Mathematics
Subtract.5.73 - 2.26
A. 3.47 B. 4.47 C. 5 D. 3.57
Mathematics
Simplify and add or subtract wherever possible.-5
- 5
+ 9
A. -5
B. -2
C. 3
D. 2
Mathematics