What is the value of y in the equation 3(3y - 15) = 0? (1 point)

In trapezoid klmn, kj=19.2 and jm=22.5. identify ln.

A50% increase followed by 33 1/2% decrease

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