Simplify the following boolean expression to a minimum numbers of literals (x+y)(x+y)
** this is what I have so far
= (x*x) + x*y + x*y + (y*y)
= x + x*y + x*y + y

Two technicians are discussing the common u-joint. technician a says its input and output speeds should be equal. technician b says that it normally has two yokes. which technician is correct?

Rachel completed typing an official document with a word processing program. she wants to make sure that her document has no typographical errors. she also wants all headings to have the same font. which features in a word processing program should she use? rachel should use the feature in a word processing program to find typographical errors. she should apply to have uniform headings.

Ou listened to a song on your computer. did you use hardware or software?