When would you use a table to display data? when would you would use a graph to display data?

Find the solution of this system of equation -7x+y=-20 9x-3y=36

The weights of broilers (commercially raised chickens) are approximately normally distributed with mean 1387 grams and standard deviation 161 grams. what is the probability that a randomly selected broiler weighs more than 1,425 grams?

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?