50 points! What is the area of triangle xyz? Use special right triangles to help find the height. Leave your answer in terms of radical. Show work.

20 ! need which shows a difference of squares? 10y^2-4x^2 16y^2-x^2 8x^2-40x+25 64x^2-48x+9

Solving systems of linear equations: tables represent two linear functions in a systemöwhat is the solution to this system? 0 (10)0 (1.6)0 18,26)0 18-22)

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c