Answer:
Whats the question then?
Step-by-step explanation:
3n + n = 180
4n = 180
n = 180/4
n = 45
hope it helps, brainliest pls!

has characteristic equation

which has roots at

. The negative root has multiplicity 2. So the general solution is
Answer:
exact form: d=99/2
decimal form: 49.5
mixed number form: 49 1/2
Step-by-step explanation:
sorry for the hold up