Use the substitution method to solve the system ofequations. choose the correct ordered pair.3x+y=10y=x-2a.(4,2)b.(5,3)c.(2 ,0)d.(3,1)

Hi, can anyone show me how to do this problem? 100 points for this. in advance

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?

Afamily went out to dinner and their bill was $113.if they want to leave a 19% tip, how much should they leave.