2x-y+1 x+2y-1
3
2
2x - y

Consider the diagram. which line segment has the same measure as st? rx tx sr xs

This circle is centered at the origin, and the length of its radius is 6. what is the circle's equation? a. x^2+y^2=36 b x^2+y^2=6 c x+y=36 d x^6+y^6=1

The sales tax for an item was $8.40 and it cost $420 before tax. find the sales tax rate. write your answer as a percentage.