Use the sine law. It will give you all angles
Answer:

Step-by-step explanation:
on the picture
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Answer:
ax^2 + bx + c
Step-by-step explanation:
The standard form of an equation of a parabola is ax^2 + bx + c
a and b are coefficients and b is a constant
A parabola opening up has a positive a value while a parabola opening down has a negative a value
Answer: 
Step-by-step explanation:
Let be "x" the price in dollars of one copy of the city newspaper.
You need to analize the information provided in the exercise:
1. The total number of copies of the city newspaper sold in the newspaper stand is:

2. The amount of money earned by selling 1,000 copies of the city newspaper is:

Then, you can determine that the value of "x" can be found with:

3. Finally, substituting values, you get:
