Alex lights a candle every 10 minutes. each candle burns for 40 minutes and then goes out. how many candles are alight 55 minutes after alex lit the first candle? show the solution.

Solve x+3y=6 and 4x-6y=6 by elimination . show work !

Need same math paper but the back now i hope your able to read it cleary i need with hw

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.