Let a context-free grammar is: A→A*A | A+A | m | (A)
Using the above grammar show that, (m+m*m) can be derived ambiguously

Jason works as an accountant in a department store. he needs to keep a daily record of all the invoices issued by the store. which file naming convention would him the most? a)give the file a unique name b)name the file in yymmdd format c)use descriptive name while naming the files d)use capital letters while naming the file

Whats three fourths of 15(this is supposed to be in math but i clicked too fast)

What is a sketch or blueprint of a web page that shows the structure (but not the detailed design) of basic page elements such as the logo, navigation, content, and footer?