Find the number of roots for each equation
5x^4-7x^6+2x^3+8x^2+4x-11=0

In the surface area formula for cylinders which expressionrepresents the lateral area

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.

Kyle cut a 4 foot piece of construction paper to be 6.1 inches wide by 8.2 inches long. what is the area of the piece of construction paper in square inches