Which statements are true regarding the system of equations? Check all that apply.
4x + 5y = 15
28X+35y = 105
The lines coincide.
The lines are parallel.
The slopes are equal.
The y-intercepts are different.
The y-intercepts are the same.
The system has an infinite number of solutions.
The system has no solution.
The system has one solution

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.