What is the image of (0,−8) after a reflection over the line y = x ?

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

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.