I need the answer. Please help

What is true about the dilation? it is a reduction with a scale factor between 0 and 1. it is a reduction with a scale factor greater than 1. it is an enlargement with a scale factor between 0 and 1. it is an enlargement with a scale factor greater than 1.

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.

Find the roots of the equation below. x^2 - 6 + 9 = 0