The graph of linear function, f f
passes through the point (1, −9) and has a slope of -3. What is the zero of f
f
?

50 points! 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.

Ametal rod is 2/5 meters long. it will be cut into pieces that are each 1/30 meters long. how many pieces will be made from the rod?

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?