Human civilization, at least since the time of ancient egypt, is on the order of 5000 years old. the age of the earth is on the order of 5 billion years. suppose we use the length of a football field, or about 100 meters, as a timeline to represent the age of the earth. if we put the birth of the earth at the start of the timeline, how far from the start of that line would human civilization be?

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

What will the graph look like for a system of equations that has no solution? a. the lines will be perpendicular. b. the lines will cross at one point. c. both equations will form the same line. d. the lines will be parallel.

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.