Answer: A. The study compares two or more treatments (possibly including "no treatment").
C. The study involves one or more treatment groups and a control group.
Step-by-step explanation:
Answer:
x = 56
Step-by-step explanation:
cross multiply. 28 times 2 and 1 times x. set them equal to each other and solve for x to get 56.
Answer:
-5/6
Step-by-step explanation:
yeah ya..... right?