A. MATH RIDDLE: WHY WAS THE PAIL PALE? Factor each of the following. Find your answer below and notice the letter next to it. Write this letter in the box that corresponds to each item. __1. 5x-15y _5. 15x-3y _9. x3+343 _2. 15x+5y __6. 49x2-4y2 __10. x3-343 _3. 9x2-25y2 _7. 8x3-27y3 _11. 27x3-8y3 _4. 25x2-9y2 __8. 4x2-49y2 _12. 27x3+8y3 ANSWERS: 5x-3y5x+3y B 3x-5y3x+5y 7x-2y7x-2y 3x+2y9x2-6xy+4y2 35x-y 2x+7y2x-7y 7x+2y7x-2y 2x-3y4x2+6xy+9y2 5x-3y 7x+2y7x+2y 2x-7y2x-7y 2x-3x+5 x+7x2-7x+49 53x+y 3x-2y9x2+6xy+4y2 x-7x2+7x+49 2 6 5 4 8 1 6 4 5 9 11 11 3 7 10 12 9 6