Which description is paired with its correct expression? four less than the quotient of a number cubed and seven, increased by three; 4 minus StartFraction n cubed Over 7 EndFraction + 3
five times the difference of a number squared and six; 5 (6 minus n squared)
nine more than the quotient of six and a number cubed, decreased by four; 9 + StartFraction n cubed Over 6 EndFraction minus 4
twice the difference of nine and a number squared; 2 (9 minus n squared)