Math ! pleaaassee evaluate the summation of 2 times negative 2 to the n minus 1 power, from n equals 1 to 7. −256 −84 84 86

When drawing a trend line for a series of data on a scatter plot, which of the following is true? a. there should be an equal number of data points on either side of the trend line. b. all the data points should lie on one side of the trend line. c. the trend line should not intersect any data point on the plot. d. the trend line must connect each data point on the plot.

Angela rode his bike around a bike trail that was 1/4 of a mile long he rode his bike around the trail 8 * angelo says he wrote a total of 8/4 miles to russell says he's wrong and he actually and says that he actually wrote to my who is corrupt use words and trying to explain how you know.

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?