15 x 25 = 375
15 x 50 = 750
375 + 750 = 1,125
She has 1,125 books.
The answer is the last one
Answer:
No, because the median test score decreased 5 points.
Step-by-step explanation:
The middle line is is the median so, if the pre-test is 60 and the post-test is 55 then there is a 5 point difference.
Answer:
37
Step-by-step explanation:
35^2+12^2=1369
√1369=37