ANSWER:
The correct answer is
-This study is blind.
-This study is an experimental study.
STEP-BY-STEP EXPLANATION:
This study includes a controlled treatment (in this manner it is an investigation) and subjects didn't have a clue about the idea of the treatment so it is visually impaired.
<span>-5p^5q^4/ 8p^2q^2
= -5p^3q^2
</span><span>exponent on the p will be 3
answer
</span><span>C.3</span>
They should talk to a trusted adult and confirm what is there problem.
