Find the value of a in the parallelogram.
(3a+60)
(Simplify your answer.)

What is the value of x? enter your answer in the box. (cm)

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible