At the end of spring break, Lucy left the beach and drove back towards home, driving at a rate of 30 mph. Lucy's friend left the beach for home 30 minutes (half an hour) later, and drove 35 mph. How long, in hours, did it take Lucy's friend to catch up to Lucy?

Can someone check my answer? you : )

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.

Which graph shows the solution to the system of linear inequalities? y-4t< 4 y