Answer:
A.
Step-by-step explanation:
the line that's PR is longer than OR
Answer:
Number of trees not marked is 6
Step-by-step explanation:
Base on the scenario been described in the question, we can find the solution in the file attached
For this case we have the following system of equations:

We multiply the first equation by -5:

Thus, we have the equivalent system:

We add the equations:

We find the value of the variable "x":

Thus, the solution of the system is:

Answer:

Answer:
-2x^{2}-12x-26
Step-by-step explanation:
(x+3)^2 = x^2+6x+9
-2(x^2+6x+9)-8
-2x^2-12x-18-8
-2x^2-12x-26