Answer:
b. not valid.
Explanation:
Validity of a research is an indicator of how logical an argument is, also considers the method used and the design. Validity means that there is an established relationship in the data that has been collected.
In this instance there is no correlation between the number of junk mail received by a family and their wealth, then her argument is not valid.
I believe the answer is b.
A mortgage is a long term loan issued by a financial institution such as; banks. These are loans obtained for a large sum of finance required. Example; an entrepreneur requires 60 million for expansion of the business. Therefore in such cases, a house is normally worth this amount and thus, a collateral security is given which is the house.
The one that is not considered a liquid investment is: Cookie jar
Even though placing your money on a cookie jar may be the most liquid fund that you have among the options above, it could not be considered as an investment because the amount of money you put in it would not be increased in value
Brook's Law is the statement that adding more people to a late project makes the project later.