Variables in php must begin with what symbol?
select one:
a. ?
b. $
c. &
d.

Which of the following does 3d animation create an illusion of on the screen? a. depth b. emotion c. length d. dialogue

What key should you press and hold to select and open multiple files at one time? enter alt control esc

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