The answer is B. 6.5f+2.5 because 13/2 is 6.5 and 5/2 is 2.5
Answer:
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ac
Step-by-step explanation:
<BAC = <DEC = 30°
<BCA = <DCE = 70°
<CDE (or m<D) = 180° - <DEC - <DCE
<CDE = 180° - 30° - 70°
<CDE = 80°
The number that belongs in the green box is 80
-2/5x -2= 18
-2/5x=18+2
Divide -2/5 with both sides
x= -50
