Answer:
The FSBL is 100.05 dB
Solution:
As per the question:
Frequency, f = 2.4 GHz = 
Now, we know that to calculate FSBL, i.e., Free Space Path Loss in dB, we use:

where
d = 1 km = 1000
c = 




Solution :
Here, we need to perform JOIN operation of the students and registration.
Use NATURAL JOIN operator
and so no need to specify Join condition.
Also we need to selection operator tp select only those course whose major in "philosophy".
Finally we projection operator π to project only distinct students name who took at least three courses.
![$\pi [\sigma_{\text{student's nam}e} [ \sigma(\text{three courses}) \Join \text{"Philosophy"}]]$](https://tex.z-dn.net/?f=%24%5Cpi%20%5B%5Csigma_%7B%5Ctext%7Bstudent%27s%20nam%7De%7D%20%5B%20%5Csigma%28%5Ctext%7Bthree%20courses%7D%29%20%5CJoin%20%5Ctext%7B%22Philosophy%22%7D%5D%5D%24)
They provide tools for sfa spftware
There are quite a lot of desktop publishing software as of today.
I'll give you the names of some of it.
- Adobe inDesign - one of the most popular
- Corel Draw
- Microsoft Publisher
- Serif
- Ultra Xml
And more.
There are actually a lot if you are just about to check in the internet.
A <em>parameter </em>is a variable used to pass information to a method.