Alvin is 12 years older than Elga. The sum of their ages is 82. What is Elga's age?

70

Step-by-step explanation:

82-12=70

Alvin is 47 and Elga is 35

I promise

c. prove the lengths are the same.

step-by-step explanation:

you need to prove the segments are congruent. congruent segments have the same length. find the lengths of the segments using the distance formula, and compare them.

answer: c. prove the lengths are the same.

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