Help me solving:
m∠D≈
m∠F≈
EF≈

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?

If sin(x) = 0 and cos(x) = 1, what is tan(x)?

The tile along the edge of a triangular community pool needs to be replaced? ?