Answer:
Step-by-step explanation:
5x^3+8x-8x^2-5x^2+8x^3+7x
14x^3-14x^2+15x
Answer:
AB ≈ 3.14 ft
Step-by-step explanation:
The arc AB is calculated as
AB = circumference of circle × fraction of circle
= πd ×
( where d is the diameter )
= 8π × 
= π
≈ 3.14 ft ( to 2 dec. places )
The answer is 76.2cm
(1inch=2.54cm)