Which of the following inequalities have no solution over all real numbers

At 6 1/2 cents per pound of string beans how much does 7 pounds cost

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.

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