11 For Circle o, chord AB is 16cm long and is 6 cm from the center of the circle. Find the area of Circle 0. Draw
a diagram. Show all work.
1

Factor this polynomial completely x^2-64

Which is greater, 7 p 5 or 7 c 5? 7p5 7c5

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