Write the ratio 2/5 to 8 as a fraction in simplest form

Is a deceasing linear model or an exponential decay model likely to be a better fit for the data about remembering? ?

Acontractor needs 54 square feet of brick to construct a rectangular walkway. the length of the walkway is 15 feet more than the width. write an equation that could be used to determine the dimensions of the walkway. solve this equation to find the length and width, in feet, of the walkway.

Simplify the given expression leaving the answer in improper fraction form. 2/3+5/6