Answer:
A
Step-by-step explanation:
Basically, this is an observational study because the researcher does not apply any treatment.
It's not an experiment because there is no experimentation involved. :)
It's not double-blind because in that case the researcher would have to apply something to two kinds of groups. one aware one the other not. not the case.
It's not D because The observations are comparing two kinds of subjects and they are not looking for a cause and effect.
<h2>ANSWER:</h2><h2>49.2 </h2>
Based on your question Two forces of 19.8 pounds and 36.5 pounds act on a body with an angle of 61.4 degrees between them.
After setting up the vectors on the plane and doing the required math
The answer is 49.2 pounds
<h2 />
Answer:
13ft
Step-by-step explanation:
12in = 1ft the difference in height is 13ft
the axis of symmetry is x=2
Ummmm
pie = π
i think its right
