Can anyone help me solve this?

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 table represents a linear function. what is the slope of the function? –6 –4 4 6

Rewrite the expression in z to the n power. the expression i was given is: 1 over z to the negative 1 half power.