Need answers asap
janine inflated a ball to a radius of 18 cm and another ball to a radius of 12 cm.
how much more air was in the larger ball?
use 3.14 to approximate pi. round to the nearest hundredth if necessary.
enter your answer in the box.

cm³

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.