f8 A skater is on an ice rink. His right skate has an area of 6.8 cm2 in contact with the ice, but his left skate only has 4 cm2 in contact with the ice. With his right foot he exerts a pressure on the ice of 50 N/cm2. He applies an equal force with his left foot. What is the pressure exerted by his left foot in N/cm2? N/cm2

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.