Which is the algebraic expression for "two times the sum of a number and four'? *Someone save me.*

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

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?

Four congruent circular holes with a diameter of 2 in. were punches out of a piece of paper. what is the area of the paper that is left ? use 3.14 for pi