Apiece of string is 325 centimeters long. you need the string to be 114 meters long. how many centimeters should you cut off?

Really need on these. i have no idea what to do

Which of the following represents the length of a diagonal of this trapezoid?

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 .