Football practice is 3 hours long and is normally split equally into two parts: basic warmup exercises and practicing football plays. How much time is spent practicing football plays

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

The figure below shows rectangle abcd and the triangle eca on a coordinate plane.which of the following expressions represents the perimeter of triangle of triangle eca in units

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)