A rectangle has a width of 1/5 and a length of 10x-15 Write the perimeter of this rectangle in simple form

Write the expression that represents the are of the rectangle

and

What would be the perimeter if x=10 Show your work and circle your final answer

They have three different section so answer each section

Cor d? ? me ? 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.