I think the answer is A but I am not sure. I think you would take the opposite of the y axis.
ABD: 22
DBC: 109
they are congruent angles
Answer:
C.
Step-by-step explanation:
that the coordinates of the vertices of the triangle after a reflection across the parallel lines .
-72yexponet73 + 2xexponet2 :)
<em> 24 mph</em>
- <em>Step-by-step explanation:</em>
<em>Hi there ! </em>
<em>Vm = 21mph</em>
<em>V1 = 18mph</em>
<em>V2 = ?</em>
<em>Vm = (V₁ + V₂)/2</em>
<em>2Vm = V₁ + V₂</em>
<em>V₂ = 2Vm - V₁</em>
<em>replace Vm ; V₁</em>
<em>V₂ = 2×21mph - 18mph</em>
<em>= 42mph - 18mph</em>
<em>= 24 mph</em>
<em>Good luck !</em>
