Igot this question wrong on my first attempt : ( ignore the answer i marked (or if its right, let me know)

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

For what value of (y) is 3^3/3^y =1/9

If f(x) = -5x + 1 and g(x) = x3, what is (gºf)(0)? enter the correct answer