Answer:
C & D
Step-by-step explanation:
x² + 3x - 3 = 0
a = co efficient of x² = 1
b= co efficient of x = 3
c = constant = -3
roots = (-b ±
)/2a
= (-3±
)/2*1
= (-3±
)/2
= (-3±√21)/2

I can't really can't see the picture to help you out
Answer:
10,000
Step-by-step explanation:
The link capacity is 10^9 bps; the link usage is 10^5 bps per user, so the number of users that can be supported is ...
(10^9 bps)/(10^5 bps/user) = 10^4 users