Seudónimo Seudónimo 02-12-2016 Mathematics contestada 1. Simplify. 42 (square, so it's 4 x 4)+ 25 1. 21 2. 29 3. 41 4. 51 2. Simplify the expression. 55− 4⋅5 + 1255 − 4 ⋅ 5 + 12 Enter your answer in the box. Simplify 3. 72+22 (both are square) 1. 9 2. 53 3. 81 4. 94 4. Simplify. 4. 33 + 5 ⋅ 533 + 5 · 5 (first one is square) 1. 52 2. 58 3. 70 4. 190 5. Evaluate the expression. 42 − 3 ⋅ 4 + 742 − 3 ⋅ 4 + 7 (the first one is square) Enter your answer in the box.