Aprime number has exactly two different factors: 1 and the number itself. which statement about prime numbers is true?
a. 1 is a prime number, because 1 times itself is 1.
b. all prime numbers are odd.
c. 9 is a prime number.
d. prime numbers are factors of other numbers

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.