A signed integer is the best option. In some systems, the value -1 can indicate that no combobox item is selected, so you need to allow for negative values.
Answer:
D. 30 or more
Explanation:
All other ones are canceled out ad the score adds 10.
Answer: is the method of representing numbers that count by using combinations of only two numerals.
Explanation:
Link to the object using the object dialog box then you can click the link