Choose all of the equations that have the solution x = - 1/4 x + 1 / 2 = - 1 / 4

x - 1 / 2 = - 3 / 4

x - 1 / 2 = 1 / 4

1 / 2 + x = 1 / 4

x - 1 / 4= - 1 / 2

Write an equation of a line in slope intercept form that is perpendicular to the line 2x -3y = 12 and passes through the point (2, 6).

Need on this one asap im almost done with this subject

Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?