I will give you brainiest what is 3+3 go fast and what is 4+4

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.

Divide. write in the simplest form. 4 1/6 divided by 10

Solve x+3y=6 and 4x-6y=6 by elimination . show work !