Need answer ASAP Select the correct answer.

A software development company initially integrated a new system in only one department of their client's organization. What integration
method did the software development company use?

A. direct changeover

B. parallel running

с. pilot method

D. phased method

Dave has to create animations for a game. which tool can dave use?

Given int variables k and total that have already been declared, use a while loop to compute the sum of the squares of the first 50 counting numbers, and store this value in total. thus your code should put 11 + 22 + 33 + + 4949 + 50*50 into total. use no variables other than k and total.

What is the primary difference between the header section of a document and the body? a. the body is displayed on the webpage and the header is not. b. the header is displayed on the webpage and the body is not. c. the tag for the body is self-closing, but the tags for the headers must be closed. d. the tag for the header is self closing, but the tag for the body must be closed.