Can someone give me the solution to new perspectives html5 and css3 chapter 1 case problem 2 math strings on page 76-78

If the measure of xyz is 81 what is the measure of yz

What is the factored form of the following expressions? d^2 – 13d + 36

Ialready asked this but i never got an answer. will give a high rating and perhaps brainliest. choose the linear inequality that describes the graph. the gray area represents the shaded region. y ≤ –4x – 2 y > –4x – 2 y ≥ –4x – 2 y < 4x – 2