Given

Divide it by (x+1) using synthetic division, as shown below
The green line is a minus sign.
Thus,

Therefore, since the remainder is different than zero, (x+1) is not a factor of 4x^2+2x-5
The base is 5 because when you divide 31.5 by 6.3 it's 5
Answer:
About 42%
Step-by-step explanation:
Answer:
its 32.00
Step-by-step explanation:
47.50
-15.50
---------
32.00