If a = 22 ft, b = 10 ft, and c = 14 ft, what is the surface area of the geometric shape formed by this net?

a: 470 sq ft.

b: 580 sq ft.

c: 588 sq ft.

d: 668 sq ft.

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