The answer to your question is B the second option
The fraction of the total books about mammals is 7/18
Let the total number of books in the school be 1 whole , ie 12/12( since we are dealing with fractions)
Number of science books =7/12
Number of mammals books =2/3 of science books
=2/3 x 7/12=14/36 = 7/18
Since the total books are 12/12 which is also =1 whole
Then the fraction of total books that are about mammals are 7/18 x 1 whole =7/18
See related answer here: brainly.com/question/18443368
Using the midpoint formula, you'd get B: -1,1
: D
2 cents unless 1 is a dollar then $1.10
Answer:
Jay has the fastest time because the he gained more meters per second.
Step-by-step explanation:
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