Plss help me and don't answer if you don't help and I will report you so don't play games

Askyscraper is 396 meters tall. at a certain time of day, it casts a shadow that is 332 meters long. at what angle is the sun above the horizon at that time?

What function has a range {yly< 5}? question on picture above^

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25