8. A a) Unique

is a field in a table which uniquely identifies each row/record in a table.

b) Primary Key

9 Which symbol is used to display all the records in the table?

a) +

b) %

c) Default​

Find an equation (in term of x) of line through the points (-1,3) and (1,4)

If there are 12 moths and some have 31 days and others have 30 days how many have 28 days?

Refer to interactive solution 17.45 to review a method by which this problem can be solved. the fundamental frequencies of two air columns are the same. column a is open at both ends, while column b is open at only one end. the length of column a is 0.504 m. what is the length of column b?