HURRY TIMED QUIZ!! ABCD is a rhombus. Find the length of AC.
A.20
B.30
C.26
D.16

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Can anyone me with this question?

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.