What is the absolute value of the complex number -4 - sqrt2i? a) sqrt14 b) 3sqrt2 c) 14 d)18

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

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?

Segment an is an altitude of right δabc with a right angle at a. if ab = 2, squared 5 in and nc = 1 in, find bn, an, ac.