Write the number in standard form.A group of astronomers detected a radio signal that originated approximately 
light years from Earth.
A. 183,500
B. 1835
C. 73.4
D. 18,350
Answer: D
Mathematics
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Solve the system by substitution.x2 + y2 = 5x + y = 3
A. (-2, 1), (-1, 2) B. (2, 1), (1, 2) C. (-2, -1), (-1, -2) D. (2, -1), (1, -2)
Mathematics
Solve the problem. Round your answer to the nearest tenth unless indicated otherwise.Jessica bought a 1 liter bottle of cola for her party. She estimates that the guests will drink a total of 28 cups of cola. How many more cups of cola will she need? Round your result to the nearest cup.
A. 24 c B. 26 c C. 2 c D. 33 c
Mathematics
Provide an appropriate response.Is the following statement true for every positive integer n? 2n > 2n
A. No B. Yes C. Cannot be determined
Mathematics
Solve the system of inequalities.2x + y ? 4 x - 1 ? 0
A. 
B. 
C. 
D. 
Mathematics