A submarine submerged at a depth of −40 feet dives 57 feet more. What is the new depth of the submarine?

7(x - 2) = 3(x + 4) solve the following equation. then enter your answer in the space provided using mixed number format.

What is the value of x? enter your answer in the box. x = two intersecting tangents that form an angle of x degrees and an angle of 134 degrees.

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