Write an equation of the line that passes through the points (-6, 3) and (2, 3).
y =

What is the distance between (–2 1/2,-3) and (1, –3)?

Find the gradient of f(x,y,z)equals=left parenthesis x squared plus y squared plus z squared right parenthesis superscript negative 1 divided by 2 baseline plus ln left parenthesis x right parenthesis x2+y2+z2−1/2+ln(xyz) at the point left parenthesis negative 2 comma 1 comma negative 2 right parenthesis(−2,1,−2).

What expression is equivalent to 1/2(2+3x-6)