What is the length of side bc? (remember: use just the given information marked on the diagram.)

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,

48+y= ?

the y is the variable and the ? could also be a variable  

it would be 198 people.

hope it