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Answer: 
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Given: 
Find: 
Solution: In order to determine if (1, 1) is a solution we need to plug in 1 for the x values and 1 for the y values and see if the equation evaluated to true.
<u>Plug in the values</u>
<u>Simplify</u>
As we can see the expression states that 1 is less than or equal to -2 which is false therefore (1, 1) is NOT a solution of the inequality.
Answer:
750 students
Step-by-step explanation:
30/40 = 75%
75% of 1000
= 750
The answer to this one will be C
Hope this helps :)
Answer:
18
Step-by-step explanation:
4x + 5x = 180
10x = 180
x = 18
Answer:
Step-by-step explanation:
x+y=a
a=x+y
x−y=b
b=x−y
Good luck honey!