Need help ASAP PLEASE AND SHOW WORK?!!

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.

What is the radius of the cone in the diagram? round your answer to the nearest whole number

The graph of y=x3 is transformed as shown in the graph below. which equation represents the transformed function?