B9≤-26______________________________
Answer:
2
Step-by-step explanation:
Because the people were randomly assigned to one of the two groups, there is a randomness to both groups making them the same. The group that doesn't get the cream is a control group so any differences observed between the control and the group being tested would be due to the cream.
Answer:
Step-by-step explanation:
Answer:
D 21
Step-by-step explanation: x/7 = 3
isolate x by multiplyig both sides by 7: (7)(x/7) = (3)(7)
x = 21
Whats the question? There is 7 pieces of chocolate and 3 pieces of marble left...