64 is a perfect square that provides 8 rows , and each contains 8 seats, this is the first perfect square after 50
20x + 15y = 2000
x + y = 115
55+60=115
20 (55) + 15 (60)=2000
1100+900=2000
2000=2000
The sum of interior angles of a triangle is 180°, and a linear pair is supplementary (adds to 180°). The appropriate choice is
... G. w = 105°, because ...
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In short, an exterior angle is equal to the sum of the opposite interior angles.
... w = 180 - (180 - (45 + 60)) = 180 -180 +45 +60
... w = 45 +60
Answer:
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Step-by-step explanation:
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Answer:

Step-by-step explanation:

Dividing first.

Multiplying and subtracting.

Division.
