Which sum or difference is equivalent to the following expression? 5-3x

5

A. what does the point (4, 122) represent? b. what is the unit rate? c. what is the cost of buying 10 tickets?

According to the general equation for conditional probability if p(anb)=3/7 and p(b)=7/8 what is p(a i b)

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