In a survey, each of 500 people was found to have a checking account, a savings account, or both. if 300 of these people have checking accounts and 300 have savings accounts, how many people have both a checking account and a savings account?

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 .