so the house is 30 feet and 50 feet shadow, if you divide by 2 you can see that every 15 feet gives a 25 foot shadow, since 75-50 is 25 so in turn if the tree is 45 feet tall, it will make 75 foot shadow
1. is B.hardware 2. is B. Gpu 3. false I am almost certain there was a version of a pong styled game manipulating roughly the sane code first. 4.false it was not considered a commercial success