In an international track competition, there are 5 United States athletes, 4 Russian athletes, 3 French athletes, and 1 German athlete. How many rankings of the 13 athletes are there when: (a) Only nationality is counted?

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.