If the given sequence is a geometric sequence, find the common ratio.4, -12, 36, -108, 324
A. -16
B. not a geometric sequence
C. 3
D. -3
Answer: D
Mathematics
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Make an approximate conversion as indicated. Round to the nearest tenth. The precise value of your approximation will depend on the conversion path that you choose.24 L = 
pt
A. 50.7 B. 57.6 C. 21.8 D. 22.7
Mathematics
Find the LCM of the set of numbers.30, 40, 50
A. 300 B. 120 C. 597 D. 600
Mathematics
Use the elimination method to solve the system.-6x - 5y = 4-6x - 5y = 8
A. (-20, -24) B. Infinitely many solutions C. (-24, -20) D. No solution
Mathematics
Write the number as a product of a real number and i. Simplify the radical expression.
A. 3i
B. -3
C. 3
D. -3i
Mathematics