Apreliminary study of hourly wages paid to unskilled employees in three metropolitan areas was conducted. seven employees were included from area a, 9 from area b, and 12 from area c. the test statistic was computed to be 4.91. what can we conclude at the 0.05 level? a. mean hourly wages in at least 2 metropolitan areas are differentb. more degrees of freedom are neededc. mean hourly wages of unskilled employees of all areas are equald. none of these is correct

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

Stefano accidentally dropped his sunglasses off the edge of a canyon as he was looking down. the height, h(t), in meters (as it relates to sea level), of the sunglasses after t seconds, is shown in the table. during its descent, the pair of sunglasses passed by a climber in the canyon 6 seconds after stefano dropped them. to the nearest meter, what is difference in elevation between stefano and the climber? 166 meters 176 meters 230 meters 240 meters its b.176 i took the test 166 is wrong and 176 is correct

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9