Need a little help here.

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

Find the solution set for this equation: t^2+7t=0 separate the two values with a comma.

Joe had 25 pencils he divided them into 5 pieces how many pieces does he have left