Ireally need on both of these you

Find x to the nearest hundredth place

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.

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.