Answer:

Step-by-step explanation:
we have
<em>The equation of the first line</em>
------> equation A
<em>The equation of the second line</em>
------> equation B
Solve the system of equations by elimination
Multiply equation A by -4 both sides
--------> equation C
Adds equation B and equation C

<em>Find the value of x</em>
substitute the value of y


Multiply by 3 both sides


therefore
The solution to the system of equations is the point 
Answer:
Step-by-step explanation:
You cannot solve the problem be cause you dont know how many trees there are.
98 < C < 104
180 - 25 - < C < 180 - 25 - 51
98 < C < 104
Measures the interior angles of a triangle sum to 180
I can confirm that it is A as I took the test and got 100%.
A quadratic equation refers to an equation with the highest degree of 2. The first equation, 2(x+5)^2 + 8x + 5 + 6 = 0 is the only one with the highest degree of 2 (in (x+5)^2), so that is the quadratic.