2. Which term in the following series is wrong 38, 49, 62, 72, 77, 91, 101, … Ans:

3. Find out the wrong number in the following series 7, 27, 93, 301, 915, 2775, 8361
ans:

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

Which expression is not a polynomial?

Dawn is selling her mp3 player for 3 4 of the original price. the original price for the mp3 player was $40. how much is she selling her mp3 player for?