Which turn best describes a mathematical statement

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.

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.

Need same math paper but the back now i hope your able to read it cleary i need with hw