Check all of the following that are solutions to the system shown below. y = -x 2 - x + 2 and x + y = -2 (2, -4) (-2, 4) (-2, 0) (0, -2)

Which one is the correct answer, and why?

Maria solved an equation as shown below. what is the solution to maria’s equation?

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.