Which of the following equations could be solved to determine the length of Qr? OA) QR2 = 202 + 272 - 2(20)(27) · cos 990
B) cos 99
QR
cos R
20
C) QR2 = 202 + 272 - 2(20)(27)
OD) QR2 = 202 + 272 - cos 99°

Determine the relationship of ab and cd given the following points

In a sample of 200 residents of georgetown county, 120 reported they believed the county real estate taxes were too high. develop a 95 percent confidence interval for the proportion of residents who believe the tax rate is too high. (round your answers to 3 decimal places.) confidence interval for the proportion of residents is up to . would it be reasonable to conclude that the majority of the taxpayers feel that the taxes are too high?

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?