Which is equivalent to

a )

b )

c )

d )

e )

How many solutions does the nonlinear system of equations graphed bellow have?

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 random variable x is defined as the number marking the sector in which the arrow lands when the spinner in the diagram is spun once.