Answer:
b
Step-by-step explanation:
Answer:
Pendulum will swing by an angle 0.666π
Step-by-step explanation:
We have given arc = 
And length of the pendulum l = 150 cm
Length of the pendulum will be equal to radius of the pendulum so r = 150 cm
Arc is given by 
So 

So pendulum will swing by an angle 0.666π
y=2x-2
y=-4
I think ..................
The answer would be 8.7639
I can’t really see it but it looks like 1