What do you notice about these three angles HELPhelp now!

Solve for x by completing the square. 2x^2-4x+7=0

Use the diagonals to determine whether a parallelogram with vertices u(2,−2), v(9,−2), w(9,−6), and x(2,−6) is a rectangle, rhombus, or square. give all the names that apply.

Which of the following are parts of a sphere