Please someone help! Several years ago, the average serving size of beef at restaurants was 4.1 ounces. Due to changing restaurant
trends, the average serving size is now 2.8 ounces. What
is the percent of decrease in the average serving size?

How can you construct perpendicular lines and prove theorems about perpendicular lines

F(x)=5/6x+3 which of the following is true

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.