If the probability of an event is StartFraction 2 over 7 EndFraction, what must be the probability of its complement? StartFraction 1 over 7 EndFraction StartFraction 2 over 7 EndFraction StartFraction 4 over 7 EndFraction StartFraction 5 over 7 EndFraction

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?

Given: prst square pmkd is a square pr = a, pd = a find the area of pmct.

Given: lkm jkm, clmk prove: alkmajkm jmk. choose the word that completes the sentence correctly. proof: lkm jkm and lmk * umk are given. km km by the property of congruence. equivalence symmetric reflexive transitive