Are 4/5 and 7/8 equivalent? Which pair of number lines supports your answer

Look at attachment. has all info needed. need

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?

The volume of a cube is 8 in to the 3rd power. how long is each side?