The mean of 6 scores is 12.5 of the scoresare 13 ,10 ,14, 12, 10 . a)What is the 6th score?
b) after the 7th score, the mean is 13 , what is the 7th score?

a. 16

b. 16

Step-by-step explanation:

a. First multiply 12.5 by six because the mean is all the numbers added together and divided by the # of scores. 12.5x6= 75

Then add together 13, 10, 14, 12, and 10 which is = 59

Subtract those and its 16.

b. Is the same steps except you replace 12.5 by 13 and 6 by 7.

i think it is everything has to equal 180 so, if i correct 4=c. 6=d. 8=a. 7=b. and the last question would be c. because they are parallel lines and they are congruent.

step-by-step explanation:

the reason everything has to equal to 180 is because that is how it works. i'm guessing that is its rule. 4 and 8 are congruent and parallel so, that would be 30+30 because they have the same number. it would equal 60. 6 and 7 are congruent and parallel so, that would be 30+30 because they have the same number. it would equal 60. 60+60 is 180. so, now you have your answer

answer: entity is prob the answer

step-by-step explanation: