Any answers? no need for an explanation if you want to sure, the answer would be appreciated!

The given system of equations has only one solution

Solution:

Given system of equations are:

2y = x - 9 ------- eqn 1

5x - 4y = 18 ------- eqn 2

Let us first solve the system of equations

From eqn 1,

x = 2y + 9 ----- eqn 3

Substitute eqn 3 in eqn 2

5(2y + 9) - 4y = 18

10y + 45 - 4y = 18

6y = 18 - 45

6y = -27

Substitute the value of "y" in eqn 3

Thus

Thus the given system of equations has only one solution

answer: b.36 feet

step-by-step explanation:

x² + 11x + 18 < 0  

[-11 ± sqrt(121 - 72)]/2 = (-11 ± 7)/2  

solution: (-9, -2)

step-by-step explanation: