[answered] 1) Find the excluded values for the algebraic fraction: (5

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1) Find the excluded values for the algebraic fraction: (5 pts) 2x 3

6 5x 2) Find the excluded values for the algebraic fraction: (5 pts) x

2 x 8 x 20 3) Perform the indicated operation and simplify your answer: (5 pts)

2 8x

14 x ?21

?

12 x?18

2 x2 4) Perform the indicated operation and simplify your answer: (5 pts) x 2 14 x 49 x 2 49 6 x2

18 x3 5) Perform the indicated operation and simplify your answer: (5 pts) 4

2 x 2 x3 6) Perform the indicated operation and simplify your answer: (5 pts)

2

3 y 8 y 9 7) Solve the equation and show the check of your solution(s). If an answer is an excluded value,

please state than on your paper. Use the method discussed in Section 7.7 of our text, clearing

fractions from the equation first. (5 pts)

x 2 14

5 2x

2x 8) Solve the equation and show the check of your solution(s). If an answer is an excluded value,

please state that on your paper. Use the method discussed in Section 7.7 of our text, clearing

fractions from the equation first. (5 pts)

1

4

1 2 x2 x 4 x2 9) The daily supply of oxygen for one person is provided by 625 square feet of lawn. The

Chateau de Versailles? lawn is 10,890,000 square feet. A lawn of this size would be able to

provide the daily oxygen supply for how many people? (5 pts) 10) Two mail sorting machines are in use by a local postal office. The newer machine sorts 300

more letters per minute than the old machine. If the new machine runs 50 minutes for every 40

minutes the old machine runs, how many letters does each machine sort in a minute? ( 5 pts) Bonus: Simplify the expression below. Show all work to support you answer. (5 pts) 3x 2 20 x 12

x 2 x 30

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