A sphereing ball contains a sphere within a sphere. The diameter of the inner sphere is 2.2 meters. The outer sphere of the sphereing ball has a diameter of 2.9 meters. Find the volume within the outer sphere but outside the inner sphere. (Round your answer to two decimal places.)

Which fraction is not equivalent to 8/12 a. 2/3 b. 24/36 c. 4/10 d. 6/10

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

Is ofat (-25, 0), (25, 0) co- (0, -15), (0, 15)?