Math problem asap, double point reward!

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.

What is the measure of ac? 5 units 13 units 26 units 39 units

For what values of x is x2 + 2x = 24 true?