Answer:
True
Step-by-step explanation:
Using a random chance procedure to assign subjects to treatment or control reduces bias. d. In a blind experiment, the subjects do not know whether they are in the treatment group or control group.
21 rounded to the nearest 10 is 20 :)
Answer:
First, second, and third are true.
Fourth is false.
Step-by-step explanation:
1. When we're translating a figure, everything about the figure stays the same except its location on the coordinate plane. The side lengths, the angle measures, and parallel sides will not change.
2. The fourth one is false because two figures/objects are congruent if they have the same shape and size. Since translation only affects the location on a coordinate plane, the original and final figure are congruent.
Answer:
7/11
Step-by-step explanation:




The answer is 15 i believe