Answer:
i dont know it looks complicated
Step-by-step explanation:
copy paste then search it, you might find it.
The answer should be B and A
For #2, the proportion would be .40/.25 and x/15, then you would cross multiply to find x. and for #3 the proportion would be 15/6 and 75/x and again you would cross multiply to find x. (:
Answer:
Both (b) and (C) are true.
This study is double blind and the "only spice tea" group serves as the control group.