Need help asap 10 points, provide explanation please.

Step-by-step explanation:

Use the distance formula between points to find all sides:

AB=

BC=

CA=

This is a 45° 45° 90° triangle, where two of the sides are equal and the other side is the first two sides times , so yes, it is a right triangle.

choice b is correct

step-by-step explanation:

we have been given the following system of linear inequalities;

we are required to graphically determine the solution to these system of inequalities. using a graphing tool, the solution is as shown in the attachment below;

rounding to the nearest thousandth would be 452,000