Answer:
d = 12.7 when rounded to the nearest tenths
Explanation:
Distance formula: 
 d=√((x_2-x_1)²+(y_2-y_1)²) 
 Your ordered pairs (0, -3) and (9, 6) 
 d=√((9-0)²+(6-(-3))²) 
 d=√((9))²+(6+3))²) 
 d=√(81 + (9)²) 
 d = √162 
 d = 12.727... 
 d = 12.7 when rounded to the nearest tenths