Answer:
Slope: 1/4
Step-by-step explanation:
Answer:
there will be 537 items in the library
Step-by-step explanation:
the answer is 
subtract 6x on both sides → 
divide both sides by -2y → 
520/104=5/1=6,5/1,3=k, where k=5
Answer:
Mean
Step-by-step explanation:
Since 360 is such a greater amount of time than the previous ones, it will greatly affect the mean.