A cylindrical metal pipe has a diameter of 20 millimeters and a height of 21 millimeters. A cylindrical hole cut out of
the center has a radius of 6 millimeters,
Which expressions represent the volume of metal needed,
in cubic millimeters, to make the pipe? Select two options,
219(1092 - 217(6
(20)(21) -(6)
20 mm
21 mm
2,100% 7567
7,64431
6 mm
1,344

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.