All sides of the three-dimensional figure shown meet at right angles. What is the surface area of the three-dimensional figure?

Find the total area for the regular pyramid ( follow the answer set up in the picture)

What should be done to solve the equation? x+14=21 add 14 to both sides of the equation. subtract 14 from the left side of the equation. add 14 to the left side and subtract 14 from the right side of the equation. subtract 14 from both sides of the equation.

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2