Simplify the given algebraic expression.
8(5y - 8) - (5y + 3)

Which graph represents an even function?

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.

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