Determine if the system of equations has one solution, no solution or infinitely many solutions.
− 3x + 4y = 4

-12x+ 16y = 8

Ascatter plot with a trend line is shown below. which equation best represents the given data? y = x + 2 y = x + 5 y = 2x + 5

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

Either enter an exact answer in terms of \piπ or use 3.143.14 for \piπ and enter your answer as a decimal.