Aleksandra Tomich invested $8,523 part at 8% simple interest and part at 4% simple interest for a period of 1 year. How much did she invest at each rate if each account earned the same interest? need answer to 8% and 4%

Through non-collinear points there is exactly one plane.

With both problems. a.s.a.p directions on photo ^

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.