Which of the following is a statistical question?
A.
How many days are there in September?
B.
How many hamburgers can seventh-grade students eat at one time?
C.
What city is this school located in?
D.
What year did man land on the moon?

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.