An increase in wind causes this current to increase what type of current is it

Which is the completely factored from of xy^3-x^3y

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.