In the 1st eighth region, 9 (Ω x2+y2) dV =? Where x2+y2=4, x2+y2 = 9 cylinders and the region formed by z = 0, z = 1, x = 0, x = y planes.

You’re ordering more thread for blue jeans co. you usually purchase from ted’s threads, which sells 12 thread spools for $27. you recently received a notice from wade's wares that says you can buy thread from them for $2.30 each for the first 2 dozen and $2 a spool thereafter. you need to order 5 dozen spools. what percentage can you save by going with wade’s wares?