Wireless networks usually use signals to send data.
a. analog
b. radio
c. fiber-optic
d. contiguous modulation

How can you repin an image on your pinterest pin board a. click on the "repin" button b. click on the "add pin" button c. click on the "upload a pin" button d. click on the "save pin" button.

Jace needs to answer a question on square roots to win a quiz. how can he use a spreadsheet to find the square root of 786? a. use the functions round and count b. create a table and chart c. use the function sqrt d. use the function now

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.