PLEASE HELP I MISSED A WHOLE WEEK AND IM SO CONFUSED WHAT THIS IS

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.

Find the unit rate for: 75% high-fiber chimp food to 25% high -protein chimp food.

Have yall ever just farted and was like, i farted.