Calculando o valor numérico da expressão 1 + 2 x, quando x = 3, obteremos

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box

If you were constructing a triangular frame, and you had wood in the length of 4 inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood?

Ineed the answers for this one as well!