What is the equation of the line that passes through the points (2, –1) and (6, 1)?
a. y=1/2x-2
b. y=2x-5
c. y=-1/2x-1
d. y=-2x-3

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

When you find the area of a triangle do you use in. or in2

X= 3y - 6 2x - 4y = 8 solve the system of equations using substitution. a) (-12,-2) b) (15,7) c) (21,9) d) (24,10)