Which is the answer to the following equation 1/9x3 1/9=? a)27/81 b)28/81 c)31/81 d)28/9

The mathematical expression 9€ t means

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

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?