Using substitution what is the value for x for the equations 2x+y=-3 and y=4x+6

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?

How do you take a green screen out of the video while editing?

Name the range function that would generate the following list of integers values: 0,1,2,3,4,5.