I dont know if you know this, but there are 3 different 3's. So how can we figure out the question if we don't know which one is underlined?
Slope (m) =0
θ =180°
distance (d) =15
ΔX =15
ΔY =0
Answer:

Step-by-step explanation:
Put x = 3, y = 2 and z = 5 to the given expression
:

Answer:
arc ≈ 5.5 units
Step-by-step explanation:
The arc of the circle is calculated as
arc = circumference of circle × fraction of circle
= 2πr ×
( r is the radius )
= 2π × 3.5 × 
= 
≈ 5.5 ( to the nearest tenth )