There are 15 biography books and there are 48 books in total so the ratio is 15:48
Answer:
The difference is 48 meters
Step-by-step explanation:
<u><em>The question is</em></u>
What is the difference of the hikers' altitudes?
Let
x -----> the Melissa's altitude in meters
y ----> Brian's altitude in meters
we have that
---> is positive because is above sea level
---> is negative because is below sea level
Remember that the sea level is the altitude equal to zero
<em>Find the difference</em>
To find out the difference of the hikers' altitudes, subtract Brian's altitude from Melissa's altitude
so

Remember that (-1)(-1)=+1

Answer:
2,184
Step-by-step explanation:
Answer:
the slope is 2
Step-by-step explanation:
take y2 and y1 and subtract them, 11 - 5 = 6
then take x2 and x1 and subtract them, 5 - 2 = 3
then divide those 2 numbers, 6/3 and you get 2
Answer:
B and E
Step-by-step explanation:
Hope it helps