Answer:
simultaneously might be the answer
Answer:
previousAddition instance variable
Explanation:
In order to accomplish this you would need to add a previousAddition instance variable. In this variable you would need to save the amount that was added at the end of the process. Therefore, if a mistake were to occur you can simply call the previousAddition variable which would have that amount and subtract it from the total. This would quickly reverse the mistake, and can be easily called from the undo() method.
Answer:
Repeaters
Explanation:
As the question points out, the signal strength diminishes (attenuates) as it travels farther from the source. Deploying a repeater at critical points throughout the building would boost the signal strength as it continues on its way.
Answer:
3. using upper and lowercase letters (Sentence case)
4. using a serif font
Explanation:
Readability on a website is very important for a website designer and also for the user. If a user wants content on his/her website to be read, he/she needs to do some research on what works and what doesn't. For each of the option in the question, there are guidelines to using them. for example, font size sometimes depend on the font style used: as some font style are more bigger than orders. Therefore, to get good readability on a website,font face, font size, color, sentence structure, all need to be considered before designing the website.
