Marcie built a scale model of the tallest building in town with an antenna on top. The model stands
centimeters tall. The main building is 34 of the height of the building including the antenna. How tall is the antenna in the model?

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.

Me. i can't figure out this question. give an explanation too. .

Carley bought a jacket that was discounted 10% off the original price. the expression below represents the discounted price in dollars, based on x, the original price of the jacket.