Find the determinant:
- 4 5
7 3

-47

Step-by-step explanation:

To get the determinant of a 2x2 matrix,

Step 1: Multiply the top left and bottom right numbers

Step 2: Subtract it by the top right number times the bottom left number

(-4*3)-(7*5)

=-12-35

=-47

answer: 298143

step-by-step explanation:

point a is the center of the circle that passes through points e, f, and g and the center of the circle that passes through points x, y, and z.