What is 0.36 with a line over top expressed as a fraction in simplest form

What is the y-coordinate of the solution of the system of equations? [tex]y = 2x + 14 \\ - 4x - y = 4[/tex]y=

Given f(t) = 282 - 53 +1, determine the function value f(2). do not include f(z) = in your answer

Which value is not a solution of 8x^3 – 1 = 0