Answer:
The expression is :
π[cd) + π(g,h) ],[π(e,f)+π(a,b)])
We will use foreign key and primary key
Answer is A, Action query
Answer:Tool bar
Explanation:
The toolbar is said to provide an array of buttons for quick access to commonly used commands and tools. Through the toolbar, one can easily access the commands that are commonly used.
We can see the toolbar in several software like the graphics editor, office suites, and browsers.
Answer:
u just press windows botton and shift and s lol
Explanation:
u can also search up this by tyoing "How to take a screenshot on windows 10" if this does not work.
:)
Answer:
C
Explanation:
Algorithms are very useful and necessary.
