What number should be added to complete the square of the expression?x2 - 18x
A. 81
B. 162
C. 41
D. -9
Answer: A
Mathematics
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Find factors or multiples as indicated for the number or numbers given.98, 28; smallest multiple common to both
A. 2744 B. 14 C. 56 D. 196
Mathematics
Find all cube roots of the complex number. Leave answers in trigonometric form.4 - 4i
A. 
cis 100°, 
cis 220°, 
cis 340°
B. 
cis 100°, 
cis 220°, 
cis 340°
C. 
cis 60°, 
cis 180°, 
cis 300°
D. 
cis 80°, 
cis 200°, 
cis 320°
Mathematics
Determine how many of the first 5 statements in the sequence obtainable from the given statement are true.3n < n3
A. 5 B. 2 C. 1 D. 4
Mathematics
Find the expected value.A car agency has found daily demand to be as shown in the table.
Find the expected number of customers.
A. 9 B. 12 C. 10 D. 2
Mathematics