Draw right angles triangle ABC with B = 90° in your answer book and find the ratios of the following in terms of the sides. 1.1.1 sinc 1.1.2 sin  1.1.3 cosĈ 1.1.4 cosâ 1.1.5 tanĆ 1.1.6 tanâ

What two criteria are needed for triangles to be similar

I’m confused on how to work the pie charts

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