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:
B.76 square feet
Step-by-step explanation:
SA=B+L
Any number that can be writen as a fraction example: 0.75, -15, 0, 9
Answer:
maybe if u translate it in English
Step-by-step explanation:
it wouldv been helpful if u mind?