Evaluate the expression
when x= 3
before and after simplifying. Which method do you prefer, before or after simplifying? Explain

An equation in slope-intersept form the lines that passes thought (-8,1) and is perpindicular to the y=2x-17.

Two poles, ab and ed, are fixed to the ground with the of ropes ac and ec, as shown: what is the approximate distance, in feet, between the two poles? 6.93 feet 8.66 feet 12.32 feet 15.59 feet

Find the solution to this system 2,1 1,-2 1,2 -1,2