What number would not group by addition

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

Solve the system of equations. y= 2x y= x^2 - 15

Iwill make brain if you me correctly fill this out needs due today pls and send it back to me (click the link and you will get it)