I will help with as many as I can! :)
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16. Slogans
17. Website Design and Development Process
18. Planning
19. (This question is the same as question 18 so I am at a loss here, sorry)
20. Confuse users, believing it is a hyperlink.
I apologize for the wait. I was trying to double check my sources. Also, I apologize in advance if something is wrong.
        
             
        
        
        
Answer:
First point and the last point are the correct answer to the given question .
Explanation:
The main objective of the digital signature is to ensure the quality of the document or the message was not changed during the transfer of message in the network.
Following are the advantages of the digital signature 
- As compare to the electronic signature the digital signature is more secure then that of.
 - The signer's signature is seen on the digital signatures as the physical proof.
 - Global recognition, and the compliance with the law.
 
All the other options are incorrect they are not advantage of the digital signature .
 
 
        
             
        
        
        
We use analog and digital signals in our everyday lives with the radio, the cell phone and with our own computers. our computers and our cell phones are all digital now but radio's are still considered analog. Radio telescopes explore space by using radio waves and signals to almost like scan space and collect data like a sonar in a submarine. 
        
                    
             
        
        
        
Answer: C u use schoology too :D
Explanation:
 
        
             
        
        
        
Answer:
Check the explanation
Explanation:
#include <iostream>
#include <iomanip>
using namespace std;
int getIQ(); // return the score
void printEvaluation(int);
int main()
{
    int IQ = 0;
    IQ = getIQ();
    
    printEvaluation(IQ);
    return 0;
}
int getIQ()
{
    int score = 0;
    cout << "Please enter your IQ Score to receive your IQ Rating:\n";
    cin >> score;
    
    return score;
}
void printEvaluation(int aScore)
{
    cout << "IQ Score: " << aScore << " IQ Rating: ";
    
    if (aScore <= 100)
    {
        cout << "Below Average\n";
    }
    else if (aScore <= 119)
    {
        cout <<"Average\n";
    }
    else if (aScore <= 160)
    {
        cout << "Superior\n";
    }
    else if (aScore >= 160 )
    {
        cout << "Genius\n";
    }
}