... 1 ,25 4 square feet, what is the width ofthe deck?ͭ 2 ϩ 2 5, 2 – 2 5 ͮx ϭ 2 ; 2 5x ϭ–4 2 ; 22 5 2 x ϭ–4; 2 20 2 x ϭ–4; 2 16 ϩ 4 2 x ϭ–4; 2 4 2 Ϫ 41 121 – 12 21 12 x ϭ–b; 2 b 2 –4ac2a– ... 3xxya1a ϩ 22 1a ϩ 1 21 a ϩ 22 ϫ 21 a ϩ 12 a1a Ϫ 32 ϭ 2 a Ϫ 34x1x ϩ 42 2x 2 1x Ϫ 421 x ϩ 42 ϭ 2 x1x Ϫ 42 1x ϩ 3 21 x Ϫ 32 31x Ϫ 32 ϭ1x ϩ 3 2 3x 2 bx3b 2 ϭ1xb1xϭ14ϩ16 2 3x ϩ16x ... 4, 9, 16, 25 , 36, 49, 64, 81, 100, 121 , 144, 169, 196, 22 5, 25 6, 28 9, 324 , 361, 400 25 614ϭ4 2 256 ϭ 4 27 13ϭ3 2 27 ϭ 3 25 1 2 ϭ 2 25 ϭ 53 2 ϭ 113 2 2ϭ19– ARITHMETIC–334COMMISSIONJohn...