$10 To your pay-pal to anyone that can help me with 6 problems like this

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

Simplify the expression 10/11(22z) + (a+5) -1

How are sas and sss used to show that two triangles are congruent?