Which variable expression represents the word phrase? the sum of 12 and the quotient of 9 and a number 12−(9÷y) 9 + (12 ÷ y) 12 + (9 ÷ y) 12−9y

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?

Which expression will have the same sum as 3_8 + 1/4?

When solving this problem: 3025/5.5 = a/90.75 you get 49912.5 which would be the length of one of the sides of a square when the area is only 90.75 inches. is that answer correct, why, and how is it possible?