3. One thousand six hundred fifty tickets were sold at Friday night's football
game. Each adult ticket cost $3.50,
and each student ticket cost $2.00. The
total revenue for ticket sales was
$4,650. Write the pair of equations that
represent the number of a (adult)
tickets and s (student) tickets.

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 .