i need a help with solving these algebra equations

Solve by using either the square root property or completing the square. 1 . x2 = 72 2. (5x -4) =64 2. 3. 12 - 41 = 3 wSolve by using the quadratic formula. *4. 5r2 -8r+ 20=0 (A) -4+2iv21 -4-2iV/21 (B 4+ 2iV19 4-2iV19 5 5 5 5 (C) 4+47V21 4-47V/21 5 5 (D) 4+2iV21 4-21V21 5 5 4 . 5. 3z2 -2z-1=0IS. A rug is to t in a room so that a border of uniform width remains on all four sides. If the room is 16 feet by 24 feet and the area of the rug is 128 square feet, how wide will the border be? (A) 2 feet (B) 3 feet (C) 4 feet (D) 8 feet 15. solve by any method. 2 2 _ 9 rz'l'?l (A) {2+2J3 , 22J3} (B) {2+J3, 243} (C) {i+J,1J} (D) {2,1} 9