Answer:
B. The system has no solution.
Step-by-step explanation:
[12x + 7y] = (20)
[12x + 7y] = (11)
The numbers in (parentheses) are both different while the numbers in the [brackets] are the same.
Answer:
13,087 = 3x + 7,594
Step-by-step explanation:
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Answer:
D
Step-by-step explanation:
πr^2
3.14*3^2
3.14*9
28.26
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Answer:
A is acute and B is obtuse.
Step-by-step explanation:
This is because any angle less then 90 is acute and any angle over 90 degreee is obtuse.