What is wet, cold, and heavy?

The perimeter of a picture frame is 24 inches. if the width of the picture frame is 5 inches, what is the length of the picture frame?

Which is not among the style choices a writer would use, if he or she is trying to establish a formal writing style/

What is the best way to improve the conclusion? add a sentence to the ending that summarizes the writer’s topic. add a sentence to the middle that reflects on the writer’s experiences. revise the final sentence to have a different tone. revise the first sentence to state a future goal.