Find the common ratio and the term named in each of the problems below. Your work must be hand written to receive credit for this quiz.
1) Write the explicit formula and find the 20th term in the sequence: f(20)
4,-8, 16, -32, ...

What is the volume of the sphere shown below with a radius of 3?

For the equations below which statement is true ?

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.