A hyphen joins words to each other or to letters to form a. ...

[jayhills49]

A hyphen joins words to each other or to letters to form
 
  a. compounds.
  b. possessives.
  c. plurals.
 d. quotations.

Question 2

A colon is used
 
  a. to join two clauses.
 b. to indicate when one clause is less important than or dependent on another clause.
  c. after a salutation and to introduce an example or a list.
 d. to separate items in a list.

[bhavsar]

Answer to Question 1

a

Answer to Question 2

c

[jayhills49]

Thanks for the timely response, appreciate it

[miss_1456@hotmail.com]

TYSM