Answer:
Step-by-step explanation:
1.
(a) n ≤ 21
(b) n ≥ 5
(c) n > 3/5
2.
(d) n < 14
(e) n ≥ 14
Answer: y=12.287
Step-by-step explanation:
Multply across the fraction so
1/2 * 3/4= (1*3)/(2*4)=3\8
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.
What grade are you in I can try to help but this looks difficult can you try to explain it for me
