A circular plate has circumference inches. What is the area of this​ plate? Use 3.14 for . The area of this plate is about
nothing square inches.
​(Round the final answer to the nearest whole number as needed. Round all intermediate values to the nearest thousandth as​ needed.)

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

At a book fair, joe bought 24 books at 3 for $5 and had $2 left. how much money did he have at first?

Now, martin can reasonably guess that the standard deviation for the entire population of people at the mall during the time of the survey is $1.50. what is the 95% confidence interval about the sample mean? interpret what this means in the context of the situation where 95 people were surveyed and the sample mean is $8. use the information in this resource to construct the confidence interval.