Solve the following system of equations using any method: 5x + 3y = 1 x + 2y = 10. show your work.

2-digit numbers less than 91 which are 1 less than a multiple of 10

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?

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.