Complete the factoring.
42x^4y^5 = 6x^2y•

What is sin 7x/4 ? i need on this urgent trig

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

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.