Are the two triangle similar? If so, why are they similar?

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.

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

The graph of h(x)= |x-10| +6 is shown. on which interval is this graph increasing