I think maybe 3) would make the most sense because she wants a random sample of students and the other options are specific on the type of students.
<span>B) -3 or 2
I just used a calculator so I can't explain but I hope it helps :)
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Answer:
84%
Step-by-step explanation:
21 correct + 4 wrong = 25 questions in total
x 4 = 
= 0.84
0.84 = 84%
8+2x
x standing for Julie's age
Answer:
2/35
Step-by-step explanation:
1 over 7 is 1/7, of means times, and 2 over 5 is 2/5, so 1/7*2/5
Hope that this helps!