The variable x represents the number of long sleeve shirts nancy bought and the variable y represents the number of short sleeve shirts she bought.
nancy bought 531 shirts for her business. she bought 2 times as many short sleeve shirts as long sleeve shirts.
how many of each type of shirt did she buy?

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 .