Find the slope of the line that contains
the two points (1, 3) and (4,8)

In triangle opq right angled at p op=7cm, oq-pq=1 determine the values of sinq and cosq

The dash figure is a dilation if the original figure. find the scale factor. classify the dilation as an enlargement or a reduction

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