HELPP ASAP What is the explicit formula for this arithmetic sequence?
-9, -17, -25, -33, ...

If each bricks costs and he can only buy one brick how much will it cost him to get the material to put around the outside of his garden?

Is the response to the survey question "did you smoke in the last week question mark "response to the survey question "did you smoke in the last week? " a discrete random variable, a continuous random variable, or not a random variable?

Which of the following is the major negative aspect of crossover designs for research studies? a. prohibitive cost b. residual effects c-subject drepout d. incomplete randomization e. large sample size required