A man buys a certain number of litchies at 20 per rupee and equal number at 30 per rupee. he mixed them and sold them at 25 per rupee. Find his gain or loss percentage.

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c

Identify one charcteristic of exponential growth

If your score on your next statistics test is converted to a z score, which of these z scores would you prefer: minus2.00, minus1.00, 0, 1.00, 2.00? why? a. the z score of 2.00 is most preferable because it is 2.00 standard deviations above the mean and would correspond to the highest of the five different possible test scores. b. the z score of 0 is most preferable because it corresponds to a test score equal to the mean. c. the z score of minus2.00 is most preferable because it is 2.00 standard deviations below the mean and would correspond to the highest of the five different possible test scores. d. the z score of minus1.00 is most preferable because it is 1.00 standard deviation below the mean and would correspond to an above average