In which choice do all three points lie on the same straight line? A. (0, 1), (-1, 3), (1, 3)
B. (4, 2), (2, 1), (4, -2)
C. (0, 0), (8, 0), (0, 8)
D. (1, 2), (2, 4), (4, 8)

What is the rule for reflection across the y axis

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).

There is an entrance to the computer room at point e which lies on ab and is 5 feet from point a. plot point e on the coordinate plane. find the distance from the entrance at point e to the printer at point e