Which of the following describes the placebo effect? a. subjects are prevented from knowing whether they are receiving real drugs or placebos. b. at least one block of subjects in a experiment receives only placebos. c. subjects may respond to a treatment simply because they believe it is affecting them. d. subjects receive inactive sugar pills instead of real medication. e. an experiment is repeated many times with real drugs and placebos.

7friends share 4 pizzas equally how much pizza did each friend get

20+ ! come and answer quick! triangle mno is reflected over the x-axis and then translated up 4 and right 3. how can the transformation be amended such that the translation can occur before the reflection and have the image remain in the same position? a translate the pre-image down 4 and right 3 and then reflect the figure over the x-axis. b translate the pre-image up 3 and right 4 and then reflect the figure over the x-axis. c translate the pre-image up 4 and left 3 and then reflect the figure over the y-axis. d translate the pre-image down 3 and right 4 and then reflect the figure over the x-axis.

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u