The population of a city increases in size by 18 percent every 12 years.

by what percentage will the population have increased after 27 years? (give your answer correct to at least two decimal places.)

%

by what percentage does the growth rate of the city increase over a 12 year period? (give your answer correct to at least two decimal places.)

%

at what rate would the be population growing when there are two hundred thousand people living in the city? (give your answer correct to the nearest integer.)

people per year.

at what rate will the population be growing 2 years later? (give your answer correct to the nearest integer.)

people per year.

Consider circle c with angle acb measuring 3/4 radians.if minor arc ab measures 9 inches, what is the length of the radius of circle c? if necessary, round your answer to the nearest inch.

Given sin∅ = 1/3 and 0 < ∅ < π/2 ; find tan2∅ a. (4√2)/9 b. 9/7 c. (4√2)/7 d.7/9

A. find the power of the test, when the null hypothesis assumes a population mean of mu = 450, with a population standard deviation of 156, the sample size is 5 and the true mean is 638.47 with confidence intervals of 95 b. find the power of the test, when the null hypothesis assumes a population mean of mu = 644, with a population standard deviation of 174, the sample size is 3 and the true mean is 744.04 with confidence intervals of 95% c. find the power of the test, when the null hypothesis assumes a population mean of mu = 510, with a population standard deviation of 126, the sample size is 10 and the true mean is 529.44 with confidence intervals of 95