(a lot of points) just show work please: 18x^2y^2−24xy^2+36y^2

Measures of the angle of r, 31 s (x+4) t (3x+9)

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees

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.