Decide whether the following argument is valid or invalid, and give the form that applies.

if the book is thick comma then it takes a long time to read. if the book is thick, then it takes a long time to read.

it takes a long time to read. it takes a long time to read.

the book is thick. overbar book is thick.

If n stands for number sold and c stands for cost per item, in which column would you use the formula: ? a. column d c. column f b. column e d. column g

What statement is true? 2x^2-9x+2=-1

Someone answer asap for ! 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.