Step-by-step explanation:

The correct solution to the problem 60/13 is 4.61
Answer:
Using the Vertical Angle Theorem,
if two angles are vertical, then they are congruent
therefore, ∡4=∡5 and ∡6=∡7
since ∡4≅∡7
then ∡5 must also be ≅ to ∡6
Step-by-step explanation:
The answer is -2.5. this is how you work it out.
21.4 + (-23.9) = -5/2 = -2.5
Answer:
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