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1.) 1 or 2/3   2.) 9   3.) 5 or 5.375  4.) 2 or 1.5   5.) 1 or 0.5   6.) 4 or 3.638

7.) 1.55  because  15.5 divided by 10 is 1.55.

Step-by-step explanation:

Don't know how to do 8 and 9 but I hope the answer I provided help.

hello :

70y^8 + 30y^6 = 2 ( 35 y^8 + 15y^6)

the lenght is : 35 y^8

the width is : 15y^6

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step-by-step explanation: