14b-12b-3? plss helpp

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Find the coordinates of point x that lies along the directed line segment from y(-8, 8) to t(-15, -13) and partitions the segment in the ratio of 5: 2.