Does anyone just wanna chat in the conversation thingy- please I'm so bored-

What is the square root of 45? (step by step working plz)

You are on a cycling trip around europe with friends. you check the weather forecast for the first week. these are the temperatures for the week. sun mon tues wed thurs fri sat 16°c 20°c 24°c 28°c 28°c 23°c 15°c what is the mean temperature forecast for the week?

Witch represents the inverse of the function f(x)=1/4x-12