A sample of 140 nu patients recovery time was recorded. The comple's mean recovery time was 17.9 days, and the sample standard deviation was 6.6 days Find the margin of error for the 90% confidence interval estimate of the true population mean recovery days.

On average, how many more hits will he get when he bats 100 times at home during the day as opposed to 100 times away at night?

The two cylinders are similar. if the ratio of their surface areas is 9/1.44 find the volume of each cylinder. round your answer to the nearest hundredth. a. small cylinder: 152.00 m3 large cylinder: 950.02 m3 b. small cylinder: 972.14 m3 large cylinder: 12,924.24 m3 c. small cylinder: 851.22 m3 large cylinder: 13,300.25 m3 d. small cylinder: 682.95 m3 large cylinder: 13,539.68 m3

Which expression is equivalent to (4 +6i)^2? ? -20 + 48i 8 + 12i 16 - 36i 20 + 48i