Calculate the mean and variance of the sample data set provided below. show and explain your steps. round to the nearest tenth. 14, 16, 7, 9, 11, 13, 8, 10

The parking lot of a store has the shape shown. all angles are right angles. what is the area of the parking lot?

Question 10jur's car can travel 340 miles on 12 gallons. jack's car can travel 390 miles on16 gallons. which person has the best mileage (miles per gallon) and what istheir mileage?

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers