What is the fourth term in the binomial expansion of (a + b)12 ?
A. a4b8
B. 495a4b4
C. 12a4b4
D. 12a4b8
E. none of these
Answer: E
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Find the missing numerator and denominator.
÷ 
= 
A. 
B. 
C. 
D. 
The following table shows the earnings for the Juarez family last year. Use this information to answer the question.MonthEarningsMonthEarningsJan.$1400July$1300Feb.$1150Aug.$2450Mar.$2950Sept.$2500Apr.$2300Oct.$2000May$1650Nov.$2350June$2700Dec.$2400What was the family's total income from January thru June?
A. $9,200 B. $12,150 C. $13,000 D. $11,000
Heights (in inches) obtained by a group of people in a random survey is reported in the table. What is the expected height (in inches)? HeightsProbability550.007600.024650.112700.357750.357800.112850.024900.007?
A. 80 in. B. 78.3 in. C. 78 in. D. 71.8 in. E. 72.5 in.
Determine whether f is continuous at c.f(x) = 
; c = 0
A. continuous B. not continuous