Daniel expanded the expression as shown. -2(--8x-4y+three forths)=10x-8y-one and one forths

What errors did he make? Select three options.
The first term should be negative.
The second term should be positive.
The last term should be-1and1 half not - 1 and 1 4ths
He added -8 and -2 instead of multiplying -8 by -2
He did not simplify the expression completely.

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Now 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.

Find the missing factor. write your answer inexponential form.9^2=9^4×