Question: 3) Multiply and Simplify the following: Show / explain your work n7 126 n 6 n12 2 n 13 n+ 42 (n7)(126 n) (6 n12)(n212

3) Multiply and Simplify the following: Show / explain your work n7 126 n 6 n12 2 n 13 n+ 42 (n7)(126 n) (6 n12)(n212 n+42) 4) Divide and Simplify the following: Show / explain your work 27 a+36 6 a+8 9 a+63 2 5) Subtract the following rational expression. Simplify your answer: Show or explain your work 2x 3x x1 x +1 6) Subtract the following rational expression. Simplify your answer: Show or explain your work 8 3 x 4 x +2 2 7) Subtract the following rational expression. Simplify your answer: Show or explain your work 2x 4 2 2 x 1 x + 2 x3 8) A bird bath that is 5.3 ft tall casts a shadow that is 25.4 ft long. Find the length of the shadow that a 8.2 ft adult elephant casts: Show or explain your work 9) Computer Services Inc. charges $8 more for a repair than Low Cost Computer Repair. If the ratio of the costs is 3 to 6, what will it cost for the repair at Low Cost Computer Repair? Show or explain your work 10) Solve the following equation for x. Show or explain your work 3x 7 3 = 2 x5 3 x+1 2

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