Answer:
B. Stratified random sample is the correct answer
Answer:
1332 i think
Step-by-step explanation:
287+379=666
666*2=1332
Answer
The area is 54cm² To get the area i split the shape into two shape both having a length of 9in and a width of 3in. I calculate the area for one by using lxw=area and get 27 and times that by two to get 54.
When calculating the area for this object you get 54 and you add the ²symbol because its area is not one dimensioned it is two dimensioned or length times width not just length, so you use the ² symbol to show that.
3/8 because its out of 8 contestants n I don't think it includes the 140 audience,including the 30 students being a part if it