(2^-2 •3^-1•5^0)^-1 exponent solving

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart

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

1. solve the system of equations by graphing: y = -3x - 3 m = b = y = 2x + 2 m = b = plz solve now