Solve the following equation using matrix method: x+3y=13 x+y=7​

Lorne subtracted 6x3 – 2x + 3 from –3x3 + 5x2 + 4x – 7. use the drop-down menus to identify the steps lorne used to find the difference.

What is the base of 1/9 to the power of 2

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?