What is the equation for the exponential parent function

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.

Which statement about the annual percentage rate (apr) is not true?

The holiday party will cost $160 if 8 people attend.if there are 40 people who attend the party, how much will the holiday party cost