Can I please get help I need help I’ll mark you the brainliest

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6

Which expression is equal to (f+g)(x)?

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.