Based on the lesson, identify the first operation needed to solve the following equation. х/11 - 2 = 3

Apublic library wants to place 4 magazines and 9 books on each display shelf. the expressions 4s +9s represents the total number of items that will be displayed on s shelves. simplify this expression

The square root of 9x plus 7 plus the square rot of 2x equall to 7

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line