Point Z is the incenter of ΔWXY. Point Z is the incenter of triangle W X Y. Lines are drawn from point Z to the sides of the triangle to form line segments Z B, Z C, and Z A.

Which statements are true? Check all that apply.

m∠ZYX = m∠ZXY

ZX bisects ∠WXY

BZ = WZ

The circle inscribed in ΔWXY will have a center at point Z.

Point Z is equidistant from the sides of ΔWXY.

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

Paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each? 1. define a variable for the situation. 2. write an inequality that represents her profit. note: revenue is money coming in. cost is money going out. profit is the difference between the revenue and the cost. in other words: revenue - costs profit 3.using words, describe how many windows she must sell to have a profit of at least $48,000.