David & jackson start walking from the same point; one heading towards the north and the other to the west. when david had gone 24 meters to the north, the distance between him and jackson was 4 meters more than 3 times the distance covered by jackson. what is the distance between them at that time?

7 meters
25 meters
12 meters
28 meters

Asalesperson has january sales of $20,000(1,$20,000) and april sales of $80,000 (4,$80,000). what is the rate of change?

Kilgore trout creates a new scale to diagnose depression. however, his scale only assesses one symptom of depression while ignoring others. which of the following is his new scale most likely lacking? a) test-retest reliability b) discriminant validity c) criterion validity d) alternate-forms reliability e) content validity f) none of the above

Roxanna earns 150% her normal hourly rate for overtime pay. last week, roxanna earned $72.00 in overtime pay for 4 hours. what is roxana's normal hourly pay?