Please help me it says What kind of triangle makes the Pythagorean theorem true?what angle does it need to have?

Find │–14│ a. 14 b. –14 c. start fraction 1 over 14 end fraction

50 points and will mark brainlest 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:

At store a, erasers are sold individually. the cost y of x erasers is represented by the equation y=0.75x. the costs of erasers at store b are shown in the graph.