The answer is C. to show that animals can even surprise experts with their capacity to learn
Answer:

Step-by-step explanation:
It is a linear homogeneous differential equation with constant coefficients:
y" + 4y = 0
Its characteristic equation:
r^2+4=0
r1=2i
r2=-2i
We use these roots in order to find the general solution:

Answer:
The answer is A
Step-by-step explanation:
Step-by-step explanation:
12x + 3(x - 4) + 2x
17x-12
HOPE IT HELPS U