Well, let's multiply them!
8/3 * 9/7 = 72/21
8/3 x 9/4 = 72/12.
We know the one with the smallest denominator is larger if the numerator is the same. So that means
72/12 is larger.
Answer:
D
Step-by-step explanation:
Using cosine formula, we have
Answer:
Step-by-step explanation:

Pharmaceutical companies prefers experimental studies to conducting surveys and observational studies because companies can manipulate or suggest methods easily to have good outcomes and they are able to directly observe the results. Experimental studies is a type of study in which a procedure and method is intentionally introduced.