Well let’s sub in the values: is 5 = 3*2-1? It is and therefore the point does lie on the line
Let S=score on the second exam, then
(67+S+(S+7))/3=84
cross multiply
2S+74=252
2S=178
S=89
So second exam: 89
third exam=89+7=96
Check: (67+89+96)/3=84 ok.
Answer:
d = 15
Step-by-step explanation:
Divide the numbers


Multiply all terms by the same value to eliminate fraction denominators

Cancel multiplied terms that are in the denominator

Multiply the numbers

Move the variable to the left

Hence, d= 15.
[RevyBreeze]
Answer:
If you are below the age of 18 then you are not regarded as a grown up person.
Answer:
259/82 or 3 13/82 or 3.158536585
Step-by-step explanation:
Also, it would be helpful next time to have answers (a. b. c. d.)
Hope this helps :P