Determine whether the infinite geometric series has a limit. If a limit exists, find it.8 + 0.8 + 0.08 + . . .
A. 8.88
B. 
C. No limit
D. 
Answer: B
Mathematics
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Determine whether or not the given pair of values is a solution of the given system.x = -2, y = 3x + y = 5x - y = -1
A. Yes B. No
Mathematics
Simplify using only positive exponents. Leave the answer in exponential notation.x-8 ? x2 ? x-6
A. -x12
B. 
C. 
D. x96
Mathematics
Perform the modular arithmetic operation.[(11 ? 4) + 4] (mod 8)
A. 3 B. 7 C. 1 D. 0
Mathematics
Solve the problem.A weight attached to a spring is pulled down 6 inches below the equilibrium position. Assuming that the period of the system is 
second, write an equation of the weight's simple harmonic motion.
A. y = 6cos 6?t
B. y = -6cos 3?t
C. y = -6cos 6?t
D. y = 6cos 
t
Mathematics