Whats the axis of symmetry for f(x)=2x2+3x+6

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

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

Can some one explain this i got sent this. is this a threat i’m scared