Find the simplest radical form of x

Which of the following is the correct ratio for converting kilograms to grams

Which number line correctly shows 0.8 + 0.3?

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: