Evaluate the expression.(-7)2
A. -14
B. -49
C. 14
D. 49
Answer: D
Mathematics
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?The number 
is an element in which of the following sets?
A. ?Whole Numbers B. ?Irrational Numbers C. ?Rational Numbers D. ?Numbers < 0.2 E. ?All of the above
Mathematics
Find the average value of 
over the given region.
over the rectangular solid in the first octant bounded by the coordinate planes and the planes 
, 
, 
A. 
B. 15
C. 10
D. 
Mathematics
Determine if the equations in the given pair are equivalent. Each equation has only one solution.8(a - 4) = 10a - 32 and a = 0
A. Equivalent B. Not equivalent
Mathematics
Find each product. Write the result in the form a + bi.
? 
A. -27i B. 27 C. -27 D. 27i2
Mathematics