Answer:
Step-by-step explanation:
arc UW=360-(127+133)
=360-260
=100
m<V=1/2×100
=50°
Answer:
It should be option a 4.5
We are given this

write it as the difference of cubes

use the formula for the difference of cubes

Now use the formula for the difference of squares as 

Answer attached below. Hope it helps