Answer:
The answer is x > -1
Step-by-step explanation:
This is because if it were a closed circle, it would have to the include the inequality -1 but since it is an opened circle, that inequality is not included. So in conclusion, Any number could be used to represent x as long as it is a greater number than -1. I hope this makes sense.
The factors of 3x^2+10x+3 are (3x+1)(x+3)
Answer:

Step-by-step explanation:
According to the Alternate Interior angles theorem, the bottom left angle and the upper right angle have the same measure. Because they were formed from a pair of parallel lines crossed by a transversal one.
So, algebraically:

14 = - 2x + 8
2x = - 6
x = - 3
If a single ticket costs 40 dollars then the ten seats will generate the following
$40 x 10= $400