Answer:
2f+9
Step-by-step explanation:
Answer:
B and C
Step-by-step explanation:
(-3,7)(9,5)
midpoint formula : (x1 + x2)/2 , (y1 + y1)/2
(-3 + 9)/2 , (7 + 5)/2 = (6/2, 12/2) = (3,6) <==
Answer:
The population of a statistical survey is chose at random, so it's not believed to be biased.