Nancy goes to the Post Office to exchange money. (Exchange rates: £1 = $1.31 , £1 = €1.14). Nancy changes $759.80 and €342 into pounds sterling. The post office deducts their commission and gives Nancy £827.20.
What is the percentage commission?

Which representation has a constant of variation of -2.5

Someone answer asap for ! max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a. the median of max’s data is 250 b. more than half of the data points max recorded were 177 centimeters. c. a data point chosen at random is as likely to be above the mean as it is to be below the mean. d. every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.

The moats separating people from the animals are 5 m wide for lions and 4 m wide for the elephants. if the lion’s moat is 4 m deep, how deep should the elephants’ moat be?