How many different letter arrangements can be made from the letters in the word "happiness"?

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

What are the first 4 terms in the multiplication pattern given by the formula 2×4n

Given ab and cb are tangents of p, and m =10°. what is the measure of abp?