Solve the problem.If 5 newborn babies are randomly selected, how many different gender sequences are possible?
A. 120
B. 32
C. 25
D. 10
Answer: B
Mathematics
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Evaluate the integral by making a substitution (possibly trigonometric) and then applying a reduction formula.
d?
A. sec 
tan 
- ln
+ C
B. sec 
tan 
+ ln
+ C
C. -sec 
tan 
+ ln
+ C
D. -sec 
tan 
+ ln
+ C
Mathematics
Find the exact value of the expression.cos 40° cos 20° - sin 40° sin 20°
A. 
B. 
C. 
D. 
Mathematics
Find the present value. Round to the nearest cent.
A. $4,741.09 B. $4,697.01 C. $17,244.93 D. $4,302.99
Mathematics
Calculate the final balance.$87,100 at 3% simple interest for 4 yr.
A. $97,552.00 B. $96,855.20 C. $94,358.33 D. $152,425.00
Mathematics