Speed = Distance ÷ Time
Answer:
1620
Step-by-step explanation:
0.36*4500=1620
34.55/6.28=0
Discriminant = b^2 - 4ac
a = 4
b = 16
c = 16
16^2 - 4(4 x 16)
256 - (4x64)
256 - 256 = 0
Therefore it only has one root
