Pls translate the verbal phrase into an algebraic expression

What are the relative frequencies to the nearest hundredth of the columns of the two-way table?

Which equation could represent the relationship shown in the scatter plot? y=−3x−2 y=−3/4x+10 y=−2/3x+1 y=9x−12 scatter plot with x axis labeled variable x and y axis labeled variable y. points go from upper left to lower right.

Write an expression to represent the perimeter 2a-3 , 3a+1 , 2a