Help please The other side says , are parallel , are the same line , home one point of intersection

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

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.