1/4 is to 1/5 as 20 is to what, please help

The table shows the webster family’s monthly expenses for the first three months of the year. they are $2,687.44, $2,613.09, and $2,808.64. what is the average monthly expenditure for all expenses?

What is the name of a polygon that has four congruent sides and theses angle measures 60,120,60,120?

On the first of each month sasha runs a 5k race she keeps track of her times to track her progress her time in minutes is recorded in the table