i need them all answered thats unaswered please, IF YOUR HERE TO GET POINTS F!CK OFF I NEED REAL HELP!! NOT MY TIME WASTED!

The total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

Suppose that in 2008 , 840,800 citizens died of a certain disease assuming the population of teh country is 399 miliion, what is the mortality rate in units of deaths per 100,000 people?

Prove that 16^4-2^13-4^5 is divisible by 11.