Kalvins mother tells him that the chance of a coin showing heads when he tosses it is 1/2. Does this mean that every time he tosses a coin twice, he will get one head and one tail? Explain

Jorge wants to determine the enlarged dimensions of a digital photo to be used as wallpaper on his computer screen. the original photo was 800 pixels wide by 600 pixels high. the new photo will be 1,260 pixels wide. what will the new height be?