Agraph has a slope of -2 and a y-intercept of 4. fill in the equation below using slope-intercept form. y= blank x+ blank

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.