Choose all expressions that are rational. A 3, 4 + 4./9
B 2/5 +6,75
C. -7/6+8/6
D 12. 132
E /3.19

The table shows the webster family’s monthly expenses for the first three months of the year. they are $2,687.44, $2,613.09, and $2,808.64. what is the average monthly expenditure for all expenses?

Which expression is equivalent to 3^3 + 2^2?

What’s the volume of the triangular prism?