Find the yintercept f(x)=-(x-2)^(2)+5

Name the most appropriate metric unit for each measurement

Ten times the square of a non-zero number is eqaul to ninety times the number

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