Answer:
11
Step-by-step explanation:
Substitute 3 for b
23 - 4(3)
Multiply 4(3) = 12
23 - 12
Subtract
23 - 12 = 11
<em>hope</em><em> </em><em>this</em><em> </em><em>helps</em><em> </em><em>you</em>
<em>Have</em><em> </em><em>a</em><em> </em><em>nice</em><em> </em><em>day</em><em>!</em>
i belive it is -12-1 from what i have learned but we did this last year so i am not 100% postivie but im pretty sure. sorry for the unseratnity
Segment QR is the shortest