Student. freckle. com/#/assignments/targeted/41684656 /session Statistics & Probability - 0/10
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Which of the data sets below has a mean of 8? Select all that apply.
A) 3, 19, 6, 7,5
B) 4, 5, 9, 10
C) 10, 12, 3, 9,
D) 9, 12, 4, 7, 13

98 points djdjsi zisksis sjsjsi sisksj sksjdj sksks sjsisj

-2/

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 -

answer: 7. if the functions had a negative leading coefficient and is of even degree, which statement about the graph is true?

step-by-step explanation: