What is the circumference of a 12 inch diameter pizza answer in terms of pi

If you shift the linear parent function, f(x)=x, up 13 units, what is the equation of the new function?

When are triangles considered similar? a. corresponding angles are equal andcorresponding sides are proportionalb. corresponding angles are proportional andcorresponding sides are equalc. corresponding angles are equal orcorresponding sides are proportionald. corresponding angles are proportional orcorresponding sides are equal select the best answer from the choices providedmark this and retumsave and exitnext

Hi, can anyone show me how to do this problem? 100 points for this. in advance