Find the indicated sum. Find the sum of the first 7 terms in the geometric series 6 + 0.6 + 0.06 + . . .
A. 6.066666
B. 0.666666
C. 6.606066
D. 6.666666
Answer: D
Mathematics
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Multiply.
? 
A. 21x
B. 
C. 
D. 10x
Mathematics
Find the root.
A. Not real number B. 31 C. 100 D. 10
Mathematics
Solve the system of equations. If the system is inconsistent or has dependent equations, say so.
A. {(x, y, z) 
}; dependent equations
B. {(-5, 3, -6)}
C. ?; inconsistent system
D. {(-6, -5, 3)}
Mathematics
Solve the problem.If a ball is thrown upward at 19.6 meters per second from the top of a building that is 70 meters high, the height of the ball can be modeled by 
meters, where t is the number of seconds after the ball is thrown. What is the ball's maximum height?
A. 70 m B. 128.8 m C. 84.7 m D. 89.6 m
Mathematics