Answer:
B
Step-by-step explanation:
The answer is B (OB. Fifty people are put into a control group and nfty people are put into a test group. The control group is given a placebo and the
test group is given a new medication. Each group is asked about the side effects.) because an experiment requires a control group and a test group chosen at random.
Answer
i think the answer is c
sorry if wrong
Step-by-step explanation:
1. The other name for the endpoint of the a ray is letter "A. terminal point" as terminal means end. The initial point is the starting point of the ray. The vertex is for the angle where the two rays intersect.
2. The answer to this question is letter "C. 2". We only need to define the starting point and the terminal point.
Answer:
AC
Step-by-step explanation:
sin C = opp/hyp
For angle C, the opposite leg is AB. The hypotenuse is AC.
sin C = AB/AC
Answer:
Step-by-step explanation:
Yes it’s parallel because the lines do not meet