Write a function {position xs y} that returns the first position of y in the list xs. the positions in a list start with 1. for example, {position [a b c] c} returns 3 and {position [a b c b] b} returns 2. try two versions: 1) one that assumes that y is an element of xs and 2) one that returns 0, if y does not occur in xs.

You are almost finished updating a web site. as part of the update, you have converted all pages from html 4.0 to html5. the project is currently on schedule. however, your project manager has been asked by the marketing team manager to justify a day of time spent validating the site's html5 pages. the marketing team manager does not have technical knowledge of the internet or the web. which is the most appropriate explanation to provide to the marketing team manager?

Which is the correct sequence of steps to set up a document in landscape orientation? a. select page setup from the file menu. then click the margins tab and select landscape. b. select page setup from the edit menu. then click the margins tab and select landscape. c. select page setup from the insert menu. then click the margins tab and select landscape. d. select page setup from the format menu. then click the margins tab and select landscape

What is html ? give a small description about html