Answer:
The correct answer is A: Interquartile range
Step-by-step explanation:
Just took the test and this was the correct answer
I can help! Do you have an example problem that I can show you step by step?
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D. Pyramid
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First we need to calculate how many years her brother has when she is 18. As text says he is:
18/3 = 6 years old
Now when she gains another 18 years (36-18=18) he will also gain those 18 years
When she is 36 he will have 6+18=24 years old
Answer is 24.