The answer is A)Randomly choose several students from each grade to test.
Answer:
67
Step-by-step explanation:
Total
= 43 + 69 + 48 + 37 + 85 + 57 + 95 + 102
= 536
Mean
= 536 ÷ 8
= 67
The awnser is 12.25
what i did is im multiplied 931 by 2 and got 1862 then i multiplied 76 by 2 and got 153 then i divided 1862 by 152 ang gott 12.25 <span />
Yes, we can prove that the given figure is a parallelogram.
From the given figure, we can see that the given quadrilateral opposite angles and congruent. And we know that if a quadrilateral has two opposite angles congruent, then the quadrilateral is a parallelogram.
Therefore, we can say that the given figure is a parallelogram.
From the given options, second option is correct.
Therefore, the correct option is:-
Yes, opposite angles are congruent.