Answer:
2 5/6
Step-by-step explanation:
WE CHANGE 3 1/2 INTO IMPROPER FRACTION WHICH IS 7/2
7/2-2/3=2 5/6
Answer: 7n
Step-by-step explanation:
Because....
First Remove the parentheses (a) = a
= 11n - 3n - n
Then add similar elements: 11n - 3n - n = 7n
= 7n
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~ 234483279c20~
Answer:
90
Step-by-step explanation:
a triangle's angles all add up to 180. take 51 and 39 away from 180 and you get 90