X^2-7x-6=0 use the quadratic formula to complete the equation show step by step

Simplify the expression 10/11(22z) + (a+5) -1

Astraight water slide is 175 feet above ground and is 200 feet long. what is the angle of depression to the bottom of the slide?

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.