The height in feet of a diver above the surface of a pool is given by the equation h= -16t^2 +20t +12, where t is the time in seconds after the diver jumps. 1. how many seconds after the jumping is the diver’s height 8 meters? 2. how long does it take the diver to reach the water?

1. are the triangles similar and if so why? what is the value of x? show your work.

Cuántos triángulos forman un diamante

Two researchers are attempting to create a new psychotherapy protocol that more reduces panic attacks. they believe that they have succeeded and are now in the clinical trial period of their protocol's development. they are working with several cohort groups, some of which have been through the new protocol, while others have done the standard protocol currently recommended. if these researchers are interested in evaluating the difference in the percentage of test subjects who successfully decreased their panic attacks in 2 months on the new protocol versus the percentage of test subjects who successfully decreased their panic attacks in 2 months with the traditional protocol, which of the following statistical tests would be most appropriate? a. analysis of variance (anova) b. correlation c. chi-square test d. paired t-test e. independent t-test