Three electrons are removed from each of 4 atoms. Write an expression to represent the net change on the charge for the group of atoms

Find parametric equations for the line tangent to the curve of intersection of the surfaces at the given point. surfaces: xsquared2plus+2yplus+2zequals=1212 yequals=33 point: left parenthesis 1 comma 3 comma five halves right parenthesis

Match each inequality to the number line that represents its solution

Math it's appreciated. (picture provided)