Astudy is created in which the participants were randomly assigned to groups for different treatments. which best describes the reason this was done?
a.
it allows us to use chance as a way to create groups that are similar to the population.
b.
it allows us to determine if the treatment effect is significantly different from the placebo effect.
c.
it allows us to see the true nature of any effects of different treatments.
d.
it allows us to distinguish among the effects of different factors.

When are two distinct non vertical lines parallel

State whether weight is a function of height for the six students and explain. a. yes, height is a function of weight because two students weigh 165 pounds but have different heights. b. no, height is not a function of weight because two students weigh 165 pounds but have different heights. c. yes, weight is a function of height because for each value of height there is one corresponding value of weight. d. no, weight is not a function of height because there is not enough data to determine a function.

Find the vertex of the function given below y=x^2-6x+1