What the value of the digit 7 is in the decimal above

In two fractions have the same denominator but different numerators,which fraction is greater? give an example

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

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.