Mrs. Kudra invested $1000, part at 5% and the rest at 6.5%. She earned $59 in interest. How much was invested at the 5%? HELP PLEASE

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

Which of the following choices gives you a slope of 3?

If point a= (10,4) and b= (2,19) what is the length of ab 17 units 15 units 23 units 12 units