Solve the problem.If 9 newborn babies are randomly selected, how many different gender sequences are possible?
A. 512
B. 81
C. 362,880
D. 18
Answer: A
Mathematics
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A certain tree grows by 2/t + e(-t2/2) feet per year, where t is the time in years. Use Simpson's rule with whole year intervals to estimate the total growth during the stated time interval.From t = 1 to t = 6
A. 5.307 ft B. 3.948 ft C. 6.036 ft D. 5.922 ft
Mathematics
Use the Instructional Algorithm for addition or subtraction to perform the operation.664 - 26
A. 638 B. 630 C. 690 D. 538
Mathematics
Perform the indicated operation.
(Round to the nearest hundredths when necessary.)
A. 2.79 B. 0.23 C. 2.29 D. 0.28
Mathematics
Write a matrix equation equivalent to the system of equations.3x + 6z = 18 9y + 5z = 647x + 8y + 4z = 70
A. 
=
B.
  =  |
C.
= 
D.
=
Mathematics