18 students are 1/10 of the number of seventh graders
First choice.
Answer: 300
Explanation:
The upper quartile, or quartile 3, is the median of the upper half of the set. In this case, the upper quartile is 300.
Answer: 10
Step-by-step explanation:
Triangles have 3 sides. So each side is either equivalent or one side is short while the other two are equivalent.
Answer:3
Step-by-step explanation: