Which of the following describe an angle with a vertex at e?
check all that apply.
o a. zefd
ob. hdef
oc. zfed
d. zdfe
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Hi my sisters and brothers can tell me the answer because i don’t understand the question

Which of the following transformations will always produce a congruent figure?

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?