√x²+y²- 2xy+2x-2y+5 +2y²-8y+2021

Given the statements, "a square root of 16 is 4," and "a square root of 9 is -3," complete the following blanks with the correct truth-values. p is and q is , so the statement, "a square root of 16 is 4 or a square root of 9 is -3" is .

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]

Find the length of the radius of a circle with the center at -7+2i and a point in the circle at 33+11i