To When playing "Spinnerooni," what is the probability of spinning an odd
number and white? Round your answer to the nearest whole percent. On a
scrap sheet of paper, you may want to construct a tree diagram to assist
you in answering this question. Answers must be written as numbers
only (don't write or use words, letters, spaces, or units). Writing more than
just a number answer will cause the computer to mark your answer
incorrectly. For example, if you believe the answer is 10%, just write: 10​

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step-by-step explanation:

hi there!

question 1 answer: p/q can be terminating when q = 5^m * 2^n

question 2 answer: -1 and -1

question 3 answer: -4

question 4 answer: 5/12

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see explanation

step-by-step explanation:

a

(6r + 7) + (13 + 7r) ( remove brackets and collect like terms )

= 6r + 7 + 13 + 7r

= 13r + 20

b

remove brackets and collect like terms

13 - r - 1 + r

= 12 - r

c

remove brackets and collect like terms

= - 8 - r + 2r - 4

= - 12 + r

d

remove brackets and collect like terms

= 7r - - - 6r

[-   - = - - = - ]

= r -