write a polynomial function with rational coefficients so that p(x)=0 has the given roots: 3i and square root of 6

Mary used 1/7 of a spool of ribbon to complete 4 projects. she used the same amount of ribbon on each project. how much ribbon did she use on each project?

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!