What is the central idea of the first paragraph of The Dark Game?
The Civil War was a short conflict between the North and the South
The Civil War lasted longer than people at first expected it to last.
During the Civil War, there were many casualties on both sides,
During the Civil War, Fort Sumter was overtaken by the Confederacy.

1.based of the diagrams what is the the value of x? 2.how would you verify your answer for x

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables

Candice uses the function f(t)=t+100−−−−−−√ to model the number of students in her after-school program. the variable t represents days and f(t) represents the number of students. how many days does it take for there to be 15 students in her program? a. 225 days b. 125 days c. 325 days d. 115 days