Answer:
3.92699
Step-by-step explanation:
3.92699
Length of arc. Not sure what "in terms of pi means..."
Answer:
An algebraic equation is an equation used in algebra which uses numbers and letters. The letters are representing unknown numbers and are called variables.
If you want just 1430/75 in fraction form then:

after you divide it by 5.
If you want the divided number in fraction form then:

both give the same answer so it doesn't matter.