Whats the difference between -25 and 17

P= $1400,300 r = 7 1/2% t = 4 what is i ? $4.29 $429.00 $4290.00

The la dodgers hit the most homeruns in 2014. the number of homeruns accounted for 6% of the entire major leauge baseball homerun count. if 583 total homeruns were hit, approximately how many did the la dodgers hit

Which simplifys to a+ b? a-(1-b)+1 -(1-a)-b+1 (a--1) -1)+1