Brainstorm and write at least 3 potential challenges or important points to consider when conducting the described data collection.

(note i put the graph in so plz )the graph shows the amount of water that remains in a barrel after it begins to leak. the variable x represents the number of days that have passed since the barrel was filled, and y represents the number of gallons of water that remain in the barrel. what is the slope of the line

To determine the number of deer in a forest a forest ranger tags 280 and releases them back

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?