Small city uses a letter followed by two digits for motorcyles license plates. For xample, A32. The possible letters used are A, B, C, D and E. The possible digits are 0, 1,
2,5. How many license plates are possible if digits can be repeated?

Can (2,3 and square root 10) be sides ona right triangle?

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?

Due to a packaging error, 4 cans labeled diet soda were accidentally filled with regular soda and placed in a 12 pack carton of diet soda. two cans were randomly selected from this 12 pack. what is the probability that both cans were regular soda?