Cho hàm số y f x  ( )
có đồ thị như hình vẽ bên. Số nghiệm của phương trình
2 1 0 f x   
là

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.

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

To determine the number of deer in a forest a forest ranger tags 280 and releases them back