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8. SIMPLIFY: J2-1 - X+2 12X-1 2x-1 9. SIMPLIFY: (3X-+2)5(-3) (X3+1) -7 ( 2x) - (1341) (5) ( 3 * 2) 7 (3) [Cax +2)5 ]2 10. FIND THE PERIMETER. b 30 A B IF ALL 5 SEGMENT ARE , WHAT IS THE RATIO OF AC TO BD ! 12. X CUBE : BGE ARE MIDPOINTS OF 3 OF THE EDGES WHICH 4 HAS THE SMALLEST MEASURE? 4) 4 XAY 9 4 XBY C) 4 XCY d) x xoy c) 4xey 13. K, b ARE CONSTANTS. ALSO: X+ KX+7 = (X+1) (x+b). Fig K. TH. LOTTIE AND LUCY HILL ARE BOTH 90 YEARS OLD. MARY JONES, ON THE OTHER HAND, IS HALF AGAIN AS ON AS SHE WAS WHEN SHE WAS HALF AGAIN AS OLD AS SHE WAS WHEN SHE LACKED 5 YEARS OF BEING HALF AS OLD AS SHE 15 NOW. HOW OLD IS MARY ? 15. A FLOCK OF GEESE ON A POND WERE OBSERVED CONTINUOUSLY. AT 1 PM, ' OF THE GEESE FLEW AWAY. AT IPA OF THE GEESE THAT REMAINED FLEW AWAY. AT 3 PM, 3 TIMES AS MANY GEESE AS HAD FLOWN AWAY ATIPM, FLEW AWAY, LEAVING 28 GEESE ON THE POND. HOW MANY GEESE WERE IN THE ORIGINAL FLOCK