Which expression is equivalent to (16 - 10) + (-2 + 19)

In two fractions have the same denominator but different numerators,which fraction is greater? give an example

The difference of 2 numbers is 21 and the quotient of the equation is 4 then what are the two numbers?

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.