GCF of 5x^2*y^6*z + 3x^2*y^4*z^2

Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4

Aquadratic equation in standard from is written ax^2= bx+c, where a, b and c are real numbers and a is not zero?

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