What is 4 2/7 * 2 1/5 express the answer in simplest form.

Find all the values of x that make 0.1x + 0.25(102 - x) < 17.10 true.

The water has been on the stove y=9.5x+62.1 after how many minutes will the tempature be 138.1 f

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.