You have been doing research for your statistics class on the prevalence of binge drinking among teens.
a. According to 2011 Monitoring the Future data, the average binge drinking score, for this
sample of 914 teens, is 1.27, with a standard deviation of 0.80. Binge drinking is defined as the
number of times the teen drank five or more alcoholic drinks during the past week. Construct
the 95% confidence interval for the true average severe binge drinking score. The confidence
interval is:

Solve: 3x+y=6 4x-2y=18 show all work !

Which of these triangle pairs can be mapped to each other using two reflections?

The avenues in a particular city run north to south and are numbered consecutively with 1st avenue at the western border of the city. the streets in the city run east to west and are numbered consecutively with 1st street at the southern border of the city. for a festival, the city is not allowing cars to park in a rectangular region bordered by 5th avenue to the west. 9th avenue to the east, 4th street to the south, and 6th street to the north. if x is the avenue number and yis the street number, which of the following systems describes the region in which cars are not allowed to park? 5th ave 9th ave