The reciprocal of any number is the other number you must multiply it by to equal one. In this case it's 9/2
B. Y-y1=m(X-X1)
Y--1= 2(X-2)
Y+1= 2x-4
Sub 1
Y= 2x-5
The m is 2 cuz it's parallel to the other equation
The answer is 112.09 i added 89+3+3+8+2=105+7.09=112.09