What are the solutions of the equation z2-12z+36=0

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

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