To estimate round 389 to 400
400 / 20 = 20
answer would be B. 20
Answer: D) At the next school assembly, choose one student from each of 20 randomly selected rows.
Step-by-step explanation:
A wouldnt be correct because it is all students from the spots program
B isnt correct because it is 10 girls and 10 boys from the girls' and boys' soccer teams
C wouldnt be correct because it would be the first 20 students she sees once she leaves statistics class
D is the only unbiased, completely random selection choice.
3000cm because if you look at the variables there is no more letter m's than anything so if you cancel out and see what is equal to 30 then you get 3000cm!!!!!
Answer:
When the range is wide
Step-by-step explanation:
Answer:
3x3-x2-5x+3
Step-by-step explanation:
Open brackets