Lia has 7 blue pencils and 28 red pencils. maria has 14 blue pencils and 42 red pencils, and tia has 10 blue pencils and 30 red pencils. which girls have the same ratio of blue pencils to red pencils?

If square root x = -7, then x= -49 true or false

What is the volume of a cone with a height of 6 cm in the radius of 2 cm

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.