The equation x + y2-4x+2y=b describes a circle.
part a
determine the y-coordinate of the center of the circle.
enter your answer in the box.

Http is the protocol that governs communications between web servers and web clients (i. e. browsers). part of the protocol includes a status code returned by the server to tell the browser the status of its most recent page request. some of the codes and their meanings are listed below: 200, ok (fulfilled)403, forbidden404, not found500, server errorgiven an int variable status, write a switch statement that prints out the appropriate label from the above list based on status.

1. ask the user how many questions are in the quiz. 2. ask the user to enter the key (that is, the correct answers). there should be one answer for each question in the quiz, and each answer should be an integer. e. g., 34 7 13 100 81 3 9 10 321 12 might be the key for a 10-question quiz. you will need to store the key in an array. 3. ask the user to enter the answers for the quiz to be graded. there needs to be one answer for each question. note that these answers do not need to be stored; each answer can simply be compared to the key as it is entered. 4. when the user has entered all of the answers to be graded, print the number correct and the percent correct. 5. add a loop so that the user can grade any number of quizzes with a single key. after the results have been printed for each quiz, ask "grade another quiz? (y/n)." note: you only have one array (the key). you are not creating a new key for each set of quiz answers.

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