Weight of 8 bags of sugar is 400 kg. The weight of 30 such bags will be

Evaluate the expression. (9 + 5)(3 + 2)0

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

The complement of an angle is one-sixth the measure of the supplement of the angle. what is the measure of the complement angle?