There are I’m pretty sure three terms
Advantages:
- It is easier for people to choose an option rather than to write an essay. The questionnaire reflects what the person is thinking and what the person's point of view is, which as a result makes it easier to analyze and conclude results
- A wide range of questions can be asked within one questionnaire, which makes it an effective way to conduct a survey/test
Disadvantages:
- A person has to read carefully in order to answer each question and sometimes there is lack of concentration by the person filling in the questionnaire
- It is slightly difficult to write an effective questionnaire, that would able to test a vast knowledge/ conduct a survey so that an effective analysis can be done
5-(-8)= 5+8= 13 because when the problem is subtraction you change the last number to a positive or negative
we are given
we will isolate x
so, firstly we will move all x terms on any one side
We will add both sides 2
now, we can subtract both sides 2x
now, we can divide both sides by 4
and we get
......Answer
Answer:
D
Step-by-step explanation:
The area of a circle can be find with this formula:
radius^2 π
in this case we have the diameter, so we have to divide it by two
radius = 16 : 2 = 8 ft
area = 8^2 π