The midpoint of AB ‾ AB is M ( 3 , − 2 ) M(3,−2). If the coordinates of A A are ( 1 , − 3 ) (1,−3), what are the coordinates of B B?

well there are two answers for that.

1: you need 120 ones then that will equal up to 120.

2: you could also do one 100 and 2 tens.

those are the answers that i have thought of.

51

step-by-step explanation:

73-22=51 the   mass number minus the amount of protons gives you the amount of neutrons