HELP ASAP!!

solve using synthetic division
(3x4 – 2ix2 + 4x2 – ix + 6) = (x - 1)

The general form of the quetion of a circle is ax^2+by^2+cx+dy+e=0 where a=b=0 if the circle has a radius of three units and the center lies on the y axis which set of values of a, b, c, d, and e might correspond to the circle

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

Find the measure of angle a in the following triangle