Round 87671.5613658 to the nearest thousand

Aparallel system functions whenever at least one of its components works. consider a parallel system of n components, and suppose each component works independently with probability 0.5. find the conditional probability that component n works given that the system is working

What is the missing reason in step 5? linear pair postulategivendefinition of complementary anglescongruent complements theorem

Which statements about these triangles is true