Solve.If an electromagnetic signal moves at the speed of light, about 186,282 miles per second, how long will it take this signal to travel from Miami, Florida to Fairbanks, Alaska, approximately 4100 miles? (Hint: Time = distance ÷ speed.)
A. 0.02 seconds
B. 42 seconds
C. 0.04 seconds
D. 45 seconds
Answer: A
Mathematics
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Solve the problem.Write an expression in simplest form that represents the volume of the box. Then use the expression to find the volume of the box if d is 20.
A. d3 + 8; 8008 B. 3d + 2; 62 C. d3 + 2d2 - 8d; 8640 D. d3 + 3d2 - 7d; 9060
Mathematics
Solve the compound inequality. Express the solution using interval notation. Graph the solution set.- 
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A. 
B. 
C. 
D. 
Mathematics
Solve the system.3x2 - 4y2 = -244x2 + 3y2 = 43
A. {(2, 3), (-2, 3), (2, -3), (-2, -3)} B. {(2, -3), (2, 3)} C. {(2, 3), (3, 2), (-2, -3), (-3, -2)} D. {(-2, -3), (-3, -2)}
Mathematics
Determine whether the given ordered pair is a solution of the system.(-1, 5)4x = 9 - y2x = 22 - 4y
A. not a solution B. solution
Mathematics