Aflati z-y-x daca 200=x+81=y+107=z-121

Antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

Hardest math question of all time can you solve the equation. check for extraneous solutions.9∣9-8x∣ = 2x+3

What is the result of adding the system of equations? 2x+y=4 3x-y=6