Abaker cut a pie in half. he cut each half into 3 equal pieces and each piece into 2 equal slices. he sold 6 slices. what fraction of the pie did the baker sell

Ihonestly don’t understand this at all

Evaluate the expression for the given value of the variable 7a - 4a for a =8

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.