_____ include changing programs, procedures, or documentation to ensure correct system performance; adapting the system to changing requirements; and making the system operate more efficiently.

What is the value of x after the following statement? float x; x = 3.0 / 4.0 + (3 + 2 )/ 5

a. 5.75 b. 5.75 c. 1.75 d. 3.75

Which of the following is true when implementing a one-to-many relationship?

A) The file on the one end has a foreign key consisting of the primary key of the many end. B) The file on the one end has a concatenated key of its primary key and the many end key. C) The file on the many end has a foreign key consisting of the primary key on the one end. D) The file on the many end has a concatenated key of its primary key and the one end key.