Luis bought stock at $75.40. the next day, the price increased $19.25. the new price changed by -5 3/4% the following day. what was the final stock price, rounded to the nearest cent? is your answer reasonable?

The average daily maximum temperature for laura’s hometown can be modeled by the function f(x)=4.5sin(πx/6)+11.8 , where f(x) is the temperature in °c and x is the month. x = 0 corresponds to january.what is the average daily maximum temperature in may? round to the nearest tenth of a degree if needed.use 3.14 for π .