Sue has $4, tom has $11, brian has $6, and anita has $9. use mental math to find how much money they have altogether. show your work.

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7

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:

Find the volume of the solid bounded by the plane z=0 and the paraboloid z=1-x^2 –y^2