Which phrase represents the algebraic expression ? Responses the sum of three times a number and six, divided by the difference of seven times the number and nine the sum of three times a number and six, divided by the difference of seven times the number and nine the sum of six times a number and three, multiplied by the difference of nine times the number and seven the sum of six times a number and three, multiplied by the difference of nine times the number and seven the sum of three times a number and six, multiplied by the difference of seven times the number and nine the sum of three times a number and six, multiplied by the difference of seven times the number and nine the sum of six times a number and three, divided by the difference of nine times the number and seven