What is the solution to the system of equations below? y = -2x - 6, 2y = -4x - 12

no solution
infinitely many solutions
(–3, 0)
(3, –12)

Which of the following contains a variable?

Drag each number to the correct location on the statements. not all numbers will be used. consider the sequence below. -34, -21, -8, 5, complete the recursively defined function to describe this sequence

Apassenger train and a freight train leave san jose at 3pm, traveling in the same direction. the passenger train is going three times as fast as the freight train. at 6pm they are 240 miles apart. how fast is each travelling? explain your answer and show your