If PTS ~ PQR, find the value of x.

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters .

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.

State how many imaginary and real zeros the function has. f(x) = x3 - 20x2 + 123x - 216