28,455.4 divided by 7=? please help

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

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?

If you could answer these your a life saver