An object is thrown upward at a speed of 62 feet per second by a machine from a height of 19 feet off the ground. The height h of the object after t seconds can be found using the equation
h = 16+2 +62t + 19
When will the height be 49 feet?
Select an answer
When will the object reach the ground?
Select an answer

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

Your biology teacher chooses six students from a class of 26 to do a special project. determine how many total groups can be made. use either permutation or combination for the answer.

Jose correctly answered 80% of the questions on a language arts quiz. if he answered 16 questions correctly, how many questions were on the language arts quiz?