The undefined terms  line  and  plane  are needed to precisely define which mathematical term?

Which simplifys to a+ b? a-(1-b)+1 -(1-a)-b+1 (a--1) -1)+1

What is the solution of log2  (3x  -  7)  =  3? 4 5

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?