Frank owes $449.03 on his credit card. He returns two items, one for $46.47 and the other for $54.80. Then he makes purchases of $30.25 and $39.00. What is the new balance on the card?

If you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no. explain your mathematical thinking