12. What is the sum of the interior angles for a pentagon? (1 point) 900
540°
720°
108°

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?

Including 6% sales tax, an inn charges $135.68 per night. find the inns nightly cost

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.