The weekly allowances and expenses of two students are respectively established as 7:9 and 4:5. Determine the allowances if thier corresponding savings are GHS 400 and GHS 800 per month ​

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.

When you answer this can you explain

What is the equation of this graphed line? enter your answer in slope-intercept form in the box.