Which description is paired with its correct expression? O seven less than the quotient of two and a number squared, increased by six;
:7-+
+6
O nine times the difference of a number cubed and three; 9(n2-3)
O eight more than the quotient of a number squared and four, decreased by seven;
4
8+
.-7
m2
twice the difference of a number cubed and eight; 2n2-8