Solve the system. y=2x-1 3x-y=-1 no solution infinite solutions (2, 5) (−2, −5)

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

Determine which postulate or theorem can be used to prove that lmn =nmo

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