Margie says the set of numbers, 0.1, -1, -21
4
, 3, are in order from least to greatest. what is her error?
she did not use the correct common denominator.
the 3 is in the wrong place.
she treated all the numbers as positive.
the –1 should be the first number on the list.

Aiden buys two bags of chips at $1.09 each and a 20 ounce soda for $1.20 at the gas station. he knows that the state tax is 5.5. how much change will he receive from a $5 bill?

Can someone me and plz do the problem

Needmax 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.